Monthly Archives: August 2021

Suction Cups in Robotics: Introducing Wall-Climbing Robots – Analytics Insight

Posted: August 2, 2021 at 1:50 am

Robotics is one of the major disruptive technologies helping multiple industries and organizations to boost productivity efficiently and effectively with moving, gripping, cleaning, and lifting objects. The world has already seen the development of multiple types of robots ranging from big industrial ones to micro-robots for assistance in the manufacturing, automotive as well as healthcare sectors. Recently, scientists and Robotics engineers have discovered that suction cups can be used in Robotics and their mission was also successful. Lets explore how suction cups in Robotics introduced wall-climbing robots into the world.

It has been observed that multiple robots are assisting human employees in some horizontal areas such as a body, object, water, floor, etc. But there are vertical failures when the robots are climbing high walls of tanks, dams, or boilers. Researchers have infused magnets into the robots for climbing walls made of certain metals. But the robots fail to climb walls that are made of stainless steel, aluminum, glass, and so on. Yet, multiple industries use these materials to build tanks and boilers with high vertical walls. Thus, human employees tend to risk their lives for manually cleaning these walls regularly.

That being said, researchers and scientists have introduced suction cups in Robotics for building wall-climbing robots to protect these human employees from a hazardous environment and occupational injuries. These modern robots can adhere to a surface through the functionalities of suction cups. Implementing suction cups in Robotics is helping robots to reach impossible places efficiently and effectively. Suction cups do not require a vacuum pump or reducing weights and power consumption of robots for specific purposes. Multiple companies are filing for patents in implementing suction cups in robots an actuator can depress the suction cups in a direction of a vertical surface where the outside of the cup is made of a friction coefficient low material that enables the cup to slide. Industries can utilize these wall-climbing robots to detect small stress cracks in the boilers or tanks.

A New Zealand-based Robotics company known as Invert Robotics is developing wall-climbing robots with the help of US$8.8 million financings from an agtech firm Finistere and Yamaha Motor Ventures & Laboratory Silicon Valley. Some researchers and scientists at Zhejiang University, China have developed wall-climbing robots to stand on any kind of surface through a vacuum suction unit. Gecko Robotics is utilizing robots to inspect and detect any thickness, cracks, or other degradations inside tanks, boilers, pipes, and so on with magnetic adhesion. Simon Fraser University in British Columbia utilizes Van der Waals forces for robots to climb walls efficiently with a dry adhesive and a silicon-like polymer that enable adhesion without any chemical or energy.

Researchers Xin Li and Kaige Shi from Zhejiang University have utilized water and centrifugal forces to overcome the surface restrictions with a rotating ring of water. It usually fails to be on the surface due to the flow of air from the atmosphere into a vacuum zone. They have built confined seals to slightly deform and close the gaps between the sealing ring and the texture of the surface. This creates smaller gaps for the flow resistance and gaps in the seals become bigger. The suction cups are dependent on a rotating stream of water to maintain a seal over different surfaces. This will prevent vacuum leakages remove pressure differences in the vacuum zone. The scientists have named this method the Zero Pressure Difference or ZPD. These researchers have tested the new suction cups in robots through three machines spider-man style robot, a wall-climbing robot with ZPD as well as a robotic arm. A whole lot of water was pushed out of these machines when the cups were moving. Each time wall-climbing robots move forward on a wall sufficient water creates a constant flowing seal for suction cups to stick to.

Yes, introducing wall-climbing robots through the implementation of suction cups has revolutionized the way industries clean their boilers, tanks, pipes, and high-walled objects. It has helped Robotics to gain a new perspective on the functionalities of robots.

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Rehabilitation Robots Market Forecast to 2028 – COVID-19 Impact and Global Analysis By Type ; End User, and Geography – Yahoo Finance

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The rehabilitation robots market was valued at US$ 798. 92 million in 2021 and is projected to reach US$ 3,178. 77 million by 2028; it is expected to grow at a CAGR of 21. 8% during 20212028. The market growth is mainly attributed to the factors such as rise in geriatric population, stroke and robot-assisted training in rehabilitation therapy.

New York, July 30, 2021 (GLOBE NEWSWIRE) -- Reportlinker.com announces the release of the report "Rehabilitation Robots Market Forecast to 2028 - COVID-19 Impact and Global Analysis By Type ; End User, and Geography" - https://www.reportlinker.com/p06124471/?utm_source=GNW However, the high cost of rehabilitation robots hinders the market growth.

Research in rehabilitation robotics and the number of therapeutic rehabilitation robots are rising across the world.Asia-Pacific aging nations, such as Japan and China, are witnessing the expansion of medical technology, resulting in a significant market for rehabilitation robots.

In 2017, around 35.2 million people in Japan were 65 years old or above, according to the Ministry of Internal Affairs and Communications. This figure is predicted to jump to 36.2 million by 2020. Therefore, businesses are encouraged to invest in things for the regions older residents. Therefore, the increasing elderly population and a growing number of stroke-rending people immobile are among the significant factors driving the demand for rehabilitation robots.Robot rehabilitation therapy is used to deliver high-intensity training for patients suffering from motor disorders caused by spinal cord disease or stroke.Stroke is a top cause of severe long-term disability in the US, according to the Centers for Disease Control and Prevention (CDC).

Fatigue, hemiparesis, and walking difficulty are a few effects of a stroke.Moreover, rehabilitation robots provide customized, task-oriented, prolonged, intensive, standardized, and repeatable training for patients affected by stroke or other nonprogressive brain lesions.

These advantages of rehabilitation robots, and the rising demand for better and quicker healthcare services drive the growth of the overall rehabilitation robots market.

Social assistive robotics could be a potential tool to support clinical care areas, promoting physical distancing as well as reducing the rate of contagion spread.There is a concern to seek adaptive strategies to continue offering neurorehabilitation services during the COVID-19 pandemic, as the people with disabilities and chronic progressive diseases require constant monitoring and care.

Patients suffering from stroke or COVID-19 develop anxiety, depression, fatigue, and post-traumatic stress disorders.In addition to the physical or cognitive state, psychological health acts as an indicator of the quality of living of the survivors.

Nevertheless, considering the rapid spread of COVID-19, several healthcare services are looking for strategies to promote physical distancing and enhance healthcare procedures. With the widespread acceptance of physical distancing and isolation measures, the supply operations and distribution channels have undergone serious disruptions during the pandemic, and manufacturers are facing many backorders on many products.

Based on type, The rehabilitation robots market is segmented into therapeutic robots, assistive robots, exoskeleton robots, and prosthetic robots. The exoskeleton robots segment held the largest share of the market in 2020, and the market for the same is anticipated to grow at the highest CAGR during the forecast period.

Based on end-user, the rehabilitation robots market is segmented into hospitals, rehabilitation centers, and specialty clinics. The rehabilitation centers segment held the largest share of the market in 2020 and is estimated to register the highest CAGR in the market during the forecast period.

The World Health Organization (WHO), Food and Drug Administration (FDA), NHS (National Health Service), and CDC are among the major primary and secondary sources referred for preparing this report.Read the full report: https://www.reportlinker.com/p06124471/?utm_source=GNW

About ReportlinkerReportLinker is an award-winning market research solution. Reportlinker finds and organizes the latest industry data so you get all the market research you need - instantly, in one place.

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Rehabilitation Robots Market Forecast to 2028 - COVID-19 Impact and Global Analysis By Type ; End User, and Geography - Yahoo Finance

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Robotic Brace Could Mean the End of Knee Replacement Surgery for Some – PCMag

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A California robotics company is about to bring a high-tech knee brace to market that could relieve the suffering of millions of Americans grappling with osteoarthritis of the knee. It may especially appeal to patients who want to avoid knee replacement surgery.

San Francisco-based Roam Robotics said its $7,000 Ascend orthosis should start shipping this winter. Certified by the FDA as a Class 1 medical device, Roamanticipates reimbursement from both Medicare and private insurance. Medicare could cover 50% orhigher, and with private insurance the entire cost could be covered in some cases, Roam says.

Roam Robotics CEO Tim Swift

Roam is located in the San Franciscos Mission district, across the street from Otherlab, an engineering firm awarded tens of millions of dollars in government research contracts, mostly for robotics and energy projects. Roam is one of several start-ups to emerge from Otherlab. Its founder and CEO Tim Swift is a veteran of Ekso Bionics, a pioneer in the exoskeleton field. After working on heavy and super expensive exoskeletons, Swift concluded that a radical departure from conventional designs was necessary if exoskeleton technology was to become accessible and affordable.

I believe that we have the ability to change the relationship that people have with robots on a scale thats really never been considered, says Swift. I dont want people to view robots as something that overtakes what it is to be human. Our goal is not to build cyborgs. Its to make people more human than they ever were.

Ascend is made of lightweight carbon fiber and high-strength woven fabric. The pneumatically powered device is connected to a rechargeable battery carried in a backpack. Sensors in the custom-fitted knee brace provide real-time data to Ascends microprocessors, where proprietary algorithms detect user intent, then extend and flex the knee. Ideally, this relieves pain and increases patients ability to navigate stairs and master previously simple everyday activities.

Ascend is made of lightweight carbon fiber and high-strength woven fabric.

Rowan Paul, a sports medicine doctor who has consulted on Ascend, says it may appeal to those who are reluctant to use a cane because of the stigma of disability it carries. The knee brace makes them look like an athlete with an injury, he says. Ascend could also reduce or eliminate the need for opioid pain meds or cortisone injections, which offer temporary relief for osteoarthritis but come with a risk of side effects.

I have seen several patients, where if we can just give them a little bit of help in a very targeted, precise way, they don't need to do a knee replacement, says Paul.

Roams market research puts the number of patients who are living with severe pain and limited mobility because of osteoarthritis of the knee at 10 million or more.

The pneumatically powered device is connected to a rechargeable battery carried in a backpack.

The company has opened a storefront in San Francisco where patients cantest driveAscend. Reid Weaver drove down from Tacoma, Washington, in June to try one out and was sold on the product. Its so comfortable and its so light, you dont even feel that its there, says Weaver, who spent 19 years as a SWAT police officer in Washington state and now works as a court officer protecting judges in Tacoma.

Weaver had leg surgery after a hiking accident but the surgery exacerbated his osteoarthritis. An avid outdoorsman who played football in college, Weaver, 60, manages to ride a motorcycle to work. With the Ascend knee brace on, Weaver finds he can go up and down stairs with ease and was surprised that it was no longer a struggle to get up from a chair, a challenge for many with osteoarthritis in their knees.

Reid Weaver

This thing was way more powerful than I thought it would be, says Weaver. It basically lifted me out of a sitting position without using my hands, without lurching forward. I think its going to be a game changer.

52-year-old Angelique Newman-Malone of San Jose, California, says she felt trapped in her own body by osteoarthritis. After stumbling upon an ad for Ascend on Facebook, Newman-Malone wore the knee brace on multiple occasions and pronounced it agodsend.

I felt like I had somebody supporting me, like a buddy to walk next to me, she says. That feeling is amazing.

But the best perk for Newman-Malone is that the knee brace allows her to kneel and then get up. A devoutly religious Christian, she said the ability to kneel when she prays is crucial.

Roam has two other smart knee brace models in development. Elevate, Roams knee brace for skiing, was available for renting at ski resorts in the western US for two winter ski seasons but wasnt in use last winter because of the pandemic. Roam COO Nikhil Dhongade says he's hopeful skiers wearing Elevate will be back on the slopes for the 2022-2023 winter season.

Roam has also been developing a smart knee brace for soldiers. Swift says the Armys Special Operations Command has been testing the military model, which is called the Forge.

Roam Robotics Forge

While Elevate and The Forge can be worn on both knees, Ascend has been designed for a single knee because osteoarthritis tends to manifest in one leg initially. Roams Tim Swift notes that more than the 80% of total knee replacements are done on just one leg.

Swift says that as impressive as these high-tech knee braces are now, wait until you see where these wearable robots are heading. To drive home the point, he uses terms associated with aviation and automobiles.

Were not at the end of any runway here, were at the very start, says Swift. What we're building here is much closer to the model T than the Toyota Corolla.

Editors' Note: This story was updated to clarify that Ascend arrives this winter, not fall.

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‘Bar Rescue’s’ Jon Taffer says technology, robots the answer to worker shortage – Fox Business

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Bar Rescue executive producer and host Jon Taffer on why he believes robots can help the restaurant worker shortage.

Bar Rescue executive producer and host Jon Taffer believes technology will solve the worker shortage facing the restaurant industry today.

On FOX Business'"Varney and Co.,"Taffer pointed to his recent visit to a Westin Hotel where his room service waiter was a robot.

"So in a hotel of that size, that eliminates six, seven, eight employees," he said. "We look at cooking technologies, which are now eliminating another one or two employees."

LABOR SHORTAGE MAY GET WORSE BEFORE IMPROVING, NABE SURVEY

The Chamber of Commerce has warned the worker shortage poses the biggest threat to the economy's still-nascent recovery from thecoronaviruspandemic after the government reported that the U.S. had a little more than 9.2 million vacantjobopenings in May, a record-shattering number despite the 9.3 million unemployed Americans.

"Business can't stop," Taffer told hostStuart Varney. "We've got to find solutions. So automation, computerization, robotics -- all of these things are going to play very, very heavily."

JOHNNY ROCKETS, FATBURGER OWNER SAYS LABOR SHORTAGES FACING RESTAURANTS A TOTAL NIGHTMARE

Bar Rescue executive producer and host Jon Taffer weighs in on employee shortages, innovative tech in the restaurant industry, COVID vaccine and mask requirements and his new line of drinks.

Taffer, who has been part of the food industry for decades, said the automation trend gained momentum two and a half years ago when unemployment was so low, businesses had trouble hiring employees then as well.

"Many of us started on this automation path back then, which is really paying off now," he said. "We have 60% less back-of-the-house employees because of technology."

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He went on to say this can be beneficial amid the pandemic because every less employee is one less point of contamination.

"When employees don't come back to work, I think many of them are going to find their jobs have been replaced by machines," he said.

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FOX BusinessMegan Henneycontributed to this article.

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Countries Where Polygamy Is Legal 2021

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Religions have differing views on marriage and polygamy. For example, because Buddhism does not regard marriage as a sacrament and only a secular affair, forms of marriage vary by country. For example, Thailand legally recognized polygamy in 1955, and Myanmar outlawed polygyny in 2015.

In Christianity, the Roman Catholic Church condemns polygamy. The Lutheran Church accepts some polygamists. The Anglican Communion ruled that polygamy was permissible in certain circumstances in 1988.

In Islam, a Muslim man may have more than one wife at the same time, up to four wives, according to Islamic marital jurisprudence.

Hinduism allows polygamy with circumstances. For example, traditional Hindu law allowed polygamy if the first wife could not bear a son. Additionally, Balinese Hinduism allows for sanctioned and unrestricted polygamy, but the marriage is regulated by adat or traditional customs.

In the United States, the Church of Jesus Christ of Latter-day Saints Mormons practiced polygamy from 1847 to 1857. The U.S. government made polygamy illegal in response to the LDS Church, and the church outlawed the practice in 1890. Some small groups that split from the LDS Church still practice polygamy.

Around the world, the legal status of polygamy varies. Societies either outlaw, accept or encourage polygamy.

In those countries that accept or encourage polygamy, polygyny is most common. In countries where marriage is legally monogamous, de facto polygamy is allowed if adultery is not illegal. In this case, there would be no legal recognition for non-official spouses.

In every country in North America and South America, polygamy is illegal, and practice is criminalized. In the United States, polygamy is illegal in all 50 states; however, in February 2020, the Utah House and Senate reduced punishment for polygamy to the status of a traffic ticket.

All of Europe and Oceania, except for the Solomon Islands, do not recognize polygamist marriages. In Australia, polygamous marriage is outlawed, but polygamous relationships are common within some indigenous Australian communities.

In Indonesia, polygamy is legal in some areas, such as in Bali, Papua, and West Papua. Balinese Hinduism allows for polygamy, which has been practiced for centuries by the Balinese and Papuans. Protests to outlaw polygamy and polygamous marriages occurred in 2008 in Indonesia, but no action has happened.

In India, Malaysia, the Philippines, and Singapore, the governments only recognize polygamous marriages for Muslims. They have specific legislation for polygamous marriage that only includes Muslims.

Some countries that have outlawed polygamy may recognize polygamous marriages from other countries. For example, Sweden recognizes polygamous marriage performed abroad. Switzerland outlawed polygamy, but polygamous marriage conducted in another country is handled on a case-by-case basis. Polygamous marriages entered into abroad in Australia are recognized for limited purposes only.

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Polygamy in Africa – Polygamy.com

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The polygamy has existed in all over the African continent thanks to the fact that it represents an aspect of their culture and religion. These types of marriages have been more present in the whole history of Africa like no other continent in the world. One of the reasons why this has happened is because the African societies have managed to see that children were a form of wealth and this way a family with more children was considered to be more powerful. Under these circumstances the polygamy in Africa was considered to be part of the way you could build an empire.

Only after the colonial era in Africa has appeared the polygamy has started to be perceived as a taboo, as this was one of the things imported along with the colonists that took over some regions of Africa. Some people are saying that there was also an economic reason why this has happened: there were many issues of property ownership that conflicted a lot with the European colonial interest.

At first the polygamy was very popular in the west part of Africa, but as the Islam has started to diffuse in this region, the prevalence of polygamy has started to continuously reduce due to the restrictions that appeared to the number of wives.

For example polygamy is very widespread across Kenya and right now one of the most prominent single individual that is popularizing this practice is Akuku Danger who as managed to become famous thanks to the fact that he is married with over 100 wives.

Even if people are thinking about the fact that South Africa is by far one of the most developed countries in the region, there are still many traditionalists out there that are constantly practicing polygamy. Even the president of South Africa: Jacob Zuma is declaring openly that he agrees with plural marriages and he is currently married to 3 wives. And at the same time he has 20 children with these and the two previous wives that he had in the past.

Another country where the polygamy is accepted is Sudan. Under these circumstances the Sudanese president: Omar Hassan al-Bashir has always sustained polygamy and he says that these multiple marriages are one of the options available for Sudan in order to increase its population.

Overall the polygamy in Africa is a very common practice that you are going to find all over Africa, but it tends to be more popular especially in the West African countries. This practice is very common among the animist and the Muslim communities. For example in Senegal there are almost 47% of the marriages where they feature more than one woman. In the Arab nations the percentages are even higher and there is also the Bedouin population that you can find in Israel, where around 30% of them are part of multiple marriages. And along with all that there are also the Mormon fundamentalists who also live in polygamous families.

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Escaping Polygamy – Wikipedia

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Lifetime Documentary TV Series

Escaping Polygamy is an American documentary television series that premiered on December 30, 2014 on LMN. The show now airs on Lifetime, but can also be viewed on Tubi, and follows the work of three sisters who left the Kingston clan, a polygamous group based in Salt Lake City, Utah known as The Order,[1] as they help family and/or friends break free of polygamy.[2][3] They have also helped people escape from the FLDS Church and the AUB Church. The show was originally on A&E, but later moved to Lifetime. The series was renewed for a fourth season on March 4, 2019 and premiered on Lifetime on April 1, 2019.[4] Since the fourth season aired, Jessica Christensen, one of the three women on the show, said on Instagram that she would not be filming a fifth season of the show and that if the show were to be renewed it would have to feature different people.[5] However, there has since been no official announcement from Lifetime regarding the future of the show.

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The History of Polygamy | History to Go

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Jessie L. EmbryUtah History Encyclopedia, 1994

Brigham Young In Memoriam

When establishing the LDS church, Joseph Smith recorded numerous revelations he claimed to receive, often in answer to questions about the Bible, which are now included in the Doctrine and Covenants, part of the LDS canon. In answer to his question as to why many of the Old Testament leaders had more than one wife, Smith received what is now known as Section 132. Although the revelation was not recorded until 1843, Smith may have received it in the 1830s and married his first plural wife, Fanny Alger, in 1835. Polygamy was not openly practiced in the Mormon Church until 1852 when Orson Pratt, an apostle, made a public speech defending it as a tenet of the church. From 1852 until 1890, Mormon church leaders preached and encouraged members, especially those in leadership positions, to marry additional wives.

A majority of the Latter-day Saints never lived the principle. The number of families involved varied by community; for example, 30 percent in St. George in 1870 and 40 percent in 1880 practiced polygamy, while only 5 percent in South Weber practiced the principle in 1880. Rather than the harems often suggested in non-Mormon sources, most Mormon husbands married only two wives. The wives usually lived in separate homes and had direct responsibility for their children. Where the wives lived near each other, the husbands usually visited each wife on a daily or weekly basis. While there were the expected troubles between wives and families, polygamy was usually not the only cause, although it certainly could cause greater tension. Since polygamy was openly practiced for only a short time by Mormons, there were no established rules about how family members should relate to each other. Instead, each family adapted to their particular circumstances.

Reactions from outside the church to statements about polygamy were immediate and negative. In 1854 the Republican party termed polygamy and slavery the twin relics of barbarism. In 1862 the United States Congress passed the Morrill Act, which prohibited plural marriage in the territories, disincorporated the Mormon church, and restricted the churchs ownership of property. The nation was in the midst of the Civil War, however, and the law was not enforced. In 1867 the Utah Territorial Legislature asked Congress to repeal the Morrill Act. Instead of doing that, the House Judiciary Committee asked why the law was not being enforced, and the Cullom Bill, an attempt to strengthen the Morrill Act, was introduced. Although it did not pass, most of its provisions later became law. Out of a number of other bills introduced during the 1870s against polygamy, only the Poland Act passed, in 1874. It gave district courts all civil and criminal jurisdiction and limited the probate courts to matters of estate settlement, guardianship, and divorce.

The Mormons continued to practice polygamy despite these laws, since they believed that the practice was protected by the freedom of religion clause in the Bill of Rights. To test the constitutionality of the laws, George Reynolds, Brigham Youngs private secretary, agreed to be tried. In 1879 the case reached the Supreme Court, which upheld the Morrill Act: Laws are made for the government of actions, and while they cannot interfere with mere religious belief and opinion, they may with practices.

In 1882 Congress passed the Edmunds Act, which was actually a series of amendments to the Morrill Act. It restated that polygamy was a felony punishable by five years of imprisonment and a $500 fine. Unlawful cohabitation, which was easier to establish because the prosecution had to prove only that the couple had lived together rather than that a marriage ceremony had taken place, remained a misdemeanor punishable by six months imprisonment and a $300 fine. Convicted polygamists were disenfranchised and were ineligible to hold political office. Those who practiced polygamy were disqualified from jury service, and those who professed a belief in it could not serve in a polygamy case. All registration and election officers in Utah Territory were dismissed, and a board of five commissioners was appointed to direct elections.

Because the Edmunds Act was unsuccessful in controlling polygamy in Utah, in 1884 Congress debated legislation to plug the loopholes. Finally, in 1887, the hodge-podge Edmunds-Tucker Bill passed. It required plural wives to testify against their husbands, dissolved the Perpetual Emigrating Fund Company (a loan institution that helped members of the church come to Utah from Europe), abolished the Nauvoo Legion militia, and provided a mechanism for acquiring the property of the church, which already was disincorporated by the Morrill Act. The Cullom-Struble Bill with even stricter measures was debated in 1889, but the Mormon church helped to prevent its passage by promising to do away with polygamy.

All of these pressures had an impact on the church, even though they did not compel the Latter-day Saints to abolish polygamy. Church leaders as well as many of its members went into hidingon the underground as it was calledeither to avoid arrest or to avoid having to testify. Mormon church President John Taylor died while in hiding. His successor, Wilford Woodruff, initially supported the continued practice of polygamy; however, as pressure increased, he began to change the churchs policy. On 26 September 1890 he issued a press release, the Manifesto, which read, I publicly declare that my advice to the Latter-day Saints is to refrain from contracting any marriages forbidden by the law of the land. The Manifesto was approved at the churchs general conference on 6 October 1890.

Mormon polygamists in federal penitentiary

Rather than resolving the polygamy question, however, according to one historian: For both the hierarchy and the general membership of the LDS Church, the Manifesto inaugurated an ambiguous era in the practice of plural marriage rivaled only by the status of polygamy during the lifetime of Joseph Smith. Woodruffs public and private statements contradicted whether the Manifesto applied to existing marriages. As a result of the Manifesto, some men left plural wives; others interpreted it as applying only to new marriages. All polygamous general authorities (church leaders including the First Presidency, Council of the Twelve Apostles, church patriarch, First Council of Seventy, and Presiding Bishopric) continued to cohabit with their wives. Based on impressionistic evidence in family histories and genealogical records, it appears that most polygamists followed the general authorities example.

Neither did all new plural marriages end in 1890. Although technically against the law in Mexico and Canada, polygamous marriages were performed in both countries. Mormon plural families openly practiced polygamy in Mexico; the Canadian government allowed Mormon men to have only one wife in the country, so some men had a legal wife in the United States and one in Canada. In addition, a few plural marriages were performed in the United States.

During the Senate investigation in 1904 concerning the seating of Senator-elect Reed Smoot, a monogamist but a member of the Quorum of the Twelve Apostles, Mormon Church President Joseph F. Smith presented what historians have called the Second Manifesto on 7 April 1904. It included provisions for the church to take action against those who continued to perform plural marriages and marry plural wives. Matthias Cowley and John W. Taylor, both apostles, continued to be involved in performing or advocating new plural marriages after 1904, and, as a result, Cowley was disfellowshipped and Taylor excommunicated from the church. In 1909 a committee of apostles met to investigate post-Manifesto polygamy, and by 1910 the church had a new policy. Those involved in plural marriages after 1904 were excommunicated; and those married between 1890 and 1904 were not to have church callings where other members would have to sustain them. Although the Mormon church officially prohibited new plural marriages after 1904, many plural husbands and wives continued to cohabit until their deaths in the 1940s and 1950s.

Fundamentalist groups who believe that the church discontinued polygamy only because of government pressure continued the practice. As they were discovered by the LDS church, they were excommunicated. Some of these polygamists have appointed leaders and continue to live in groups, including those in Colorado City (formerly Short Creek), Arizona, and Hilldale, Utah. Others, such as Royston Potter, practice polygamy but have no affiliation with an organized group.

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The Wives of Brigham Young

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Five Black Authors With Global Roots To Read This Month – BET

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Chimamanda Ngozi Adichie was born in 1977 in Nigeria. The esteemed writer and activist grew up during the Nigerian Civil War and, at 19-years-old moved to the United States to study. Among her books and essays is her critically acclaimed novel Americanah, which examines race and what it means to be Black in America, Nigeria, and Britain.

The book, which won the US National Book Critics Circle Award tells the story of Ifemelu, a brilliant and strong Nigerian woman whose experiences sometimes echo that of the author herself. Ifemelu migrates to the United States and struggles but never lets go of her high school boyfriend, Obinze, who also left Nigeria, but for London instead.

Though it is a love story, it also leans into politics and feminism. It is unscrupulously authentic in addressing the realities of where we still are today and how the color of ones skin is often used as a judgement vehicle. I came from a country where race was not an issue; I did not think of myself as Black and I only became Black when I came to America, says Ifemelu.

RELATED: Chimamanda Ngozi Adichie: A Literary Star Is Born

The harshness of that reality is digestible because of the graceful way in which the generic is replaced by beautiful and elegant descriptors used to tell the story of the characters complexions: caramel, sable, and gingerbread.

Adichie, who divides her time between Nigeria and the US, has had her work translated into more than 30 languages.

Alex Wheatle is an award-winning writer of Jamaican descent who grew up in South London. Wheatle began reading the works of authors Richard Wright and John Steinbeck while imprisoned for his participation in the Brixton riots of 1981. His young adult novel, Liccle Bit, delves into themes of love, family, loyalty, and having to make tough life choices through the experiences of 14-year old Lemar.

The teen, shares a home with his mother, his big sister, and her baby. As he struggles to find himself, and side-step gang activity, he navigates his way around those who wish to take advantage of him for their own gains. It is a poignant story served up with rich humor.

Aminatta Forna is an award-winning writer born in Scotland and raised in Sierra Leone and Great Britain. She also spent some of her formative years in Iran, Thailand, and Zambia. Although she has several novels, her memoir The Devil that Danced on the Water stands out as her captivating storytelling makes you feel like you are in the midst of what is happening.

It is a powerful and personal retelling of corruption, history, and how as a child, Forna lived through unstable post-colonial Africa, exile in Britain, and the fallout from her fathers Mohamed Fornastance against the tyranny in their homeland.

You will get to experience her relentless pursuit to uncover the truth about what happened to her father, as well as her pain and her sorrow.

If you have seen the movie The Sun Is Also a Star, then you are familiar with the work of New York Times bestselling author Nicola Yoon. The film, which is based on the young adult fiction book, stars actress and activist Yara Shahidi and actor Charles Melton. The story follows two teens Natasha and Danielwho meet and fall in love over the course of a single day in New York City.

RELATED: Yara Shahidi Honors Her Black Roots And Iranian Heritage With New Adidas Collaboration

Natasha and Daniels paths are drawn together as she tries to keep her family from being deported, and he is on his way to a college interview. The story addresses what it means to fall in love and also the beauty of possibilities. Yoon, who grew up in Jamaica, is also the author of Instructions for Dancing and Everything, Everything.

Being married can be beautiful, but it can also test your beliefs, and those themes are at the heart of the story of the two main characters from Nigerian writer Ayobami Adebayo's book Stay With Me. Yejide and Akin meet in college and fall in love knowing that polygamy wasnt something either wanted. But that gets tested as the couple struggled to have a child.

After years of drinking teas meant to help her get pregnant and consulting with fertility doctors, Yejide's in-laws visit and with them Akins second wife. Blinded by jealousy and hurt, Yejide believes that her only chance of saving her marriage is to get pregnant and she does but the cost of that decision is a tough price to pay.

Read the original here:

Five Black Authors With Global Roots To Read This Month - BET

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How To Install Jitsi Meet on Ubuntu 18.04 | DigitalOcean

Posted: at 1:48 am

The author selected the Open Internet/Free Speech Fund to receive a donation as part of the Write for DOnations program.

Jitsi Meet is an open-source video-conferencing application based on WebRTC. A Jitsi Meet server provides multi-person video conference rooms that you can access using nothing more than your browser and provides comparable functionality to a Zoom or Skype conference call. The benefit of a Jitsi conference is that all your data only passes through your server, and the end-to-end TLS encryption ensures that no one can snoop on the call. With Jitsi you can be sure that your private information stays that way.

In this tutorial, you will install and configure a Jitsi Meet server on Ubuntu 18.04. The default configuration allows anyone to create a new conference room. This is not ideal for a server that is publicly available on the internet so you will also configure Jitsi Meet so that only registered users can create new conference rooms. After you have created the conference room, any users can join, as long as they have the unique address and the optional password.

Before you begin this guide youll need the following:

When you are choosing a server to run your Jitsi Meet instance you will need to consider the system resources needed to host conference rooms. The following benchmark information was collected from a single-core virtual machine using high-quality video settings:

The jump in resource use between two and three participants is because Jitsi will route the call data directly between the clients when there are two of them. When more than two clients are present then call data is routed through the Jitsi Meet server.

In this step, you will change the systems hostname to match the domain name that you intend to use for your Jitsi Meet instance and resolve that hostname to the localhost IP, 127.0.0.1. Jitsi Meet uses both of these settings when it installs and generates its configuration files.

First, set the systems hostname to the domain name that you will use for your Jitsi instance. The following command will set the current hostname and modify the /etc/hostname that holds the systems hostname between reboots:

The command that you ran breaks down as follows:

Check that this was successful by running the following:

This will return the hostname you set with the hostnamectl command:

Output

Next, you will set a local mapping of the servers hostname to the loopback IP address, 127.0.0.1. Do this by opening the /etc/hosts file with a text editor:

Then, add the following line:

/etc/hosts

Mapping your Jitsi Meet servers domain name to 127.0.0.1 allows your Jitsi Meet server to use several networked processes that accept local connections from each other on the 127.0.0.1 IP address. These connections are authenticated and encrypted with a TLS certificate, which is registered to your domain name. Locally mapping the domain name to 127.0.0.1 makes it possible to use the TLS certificate for these local network connections.

Save and exit your file.

Your server now has the hostname that Jitsi requires for installation. In the next step, you will open the firewall ports that are needed by Jitsi and the TLS certificate installer.

When you followed the Initial Server Setup with Ubuntu 18.04 guide you enabled the UFW firewall and opened the SSH port. The Jitsi server needs some ports opened so that it can communicate with the call clients. Also, the TLS installation process needs to have a port open so that it can authenticate the certificate request.

The ports that you will open are the following:

Run the following ufw commands to open these ports:

Check that they were all added with the ufw status command:

You will see the following output if these ports are open:

Output

The server is now ready for the Jitsi installation, which you will complete in the next step.

In this step, you will add the Jitsi stable repository to your server and then install the Jitsi Meet package from that repository. This will ensure that you are always running the latest stable Jitsi Meet package.

First, download the Jitsi GPG key with the wget downloading utility:

The apt package manager will use this GPG key to validate the packages that you will download from the Jitsi repository.

Next, add the GPG key you downloaded to apts keyring using the apt-key utility:

You can now delete the GPG key file as it is no longer needed:

Now, you will add the Jitsi repository to your server by creating a new source file that contains the Jitsi repository. Open and create the new file with your editor:

Add this line to the file for the Jitsi repository:

/etc/apt/sources.list.d/jitsi-stable.list

Save and exit your editor.

Finally, perform a system update to collect the package list from the Jitsi repository and then install the jitsi-meet package:

During the installation of jitsi-meet you will be prompted to enter the domain name (for example, jitsi.your-domain) that you want to use for your Jitsi Meet instance.

Note: You move the cursor from the hostname field to highlight the button with the TAB key. Press ENTER when is highlighted to submit the hostname.

You will then be shown a new dialog box that asks if you want Jitsi to create and use a self-signed TLS certificate or use an existing one you already have:

If you do not have a TLS certificate for your Jitsi domain select the first, Generate a new self-signed certificate, option.

Your Jitsi Meet instance is now installed using a self-signed TLS certificate. This will cause browser warnings, so you will get a signed TLS certificate in the next step.

Jitsi Meet uses TLS certificates to encrypt the call traffic so that no one can listen to your call as it travels over the internet. TLS certificates are the same certificates that are used by websites to enable HTTPS URLs.

Jitsi Meet supplies a program to automatically download a TLS certificate for your domain name that uses the Certbot utility. You will need to install this program before you run the certificate installation script.

First, add the Certbot repository to your system to ensure that you have the latest version of Certbot. Run the following command to add the new repository and update your system:

Next, install the certbot package:

Your server is now ready to run the TLS certificate installation program provided by Jitsi Meet:

When you run the script you will be shown the following prompt for an email address:

Output

This email address will be submitted to the certificate issuer https://letsencrypt.org and will be used to notify you about security and other matters related to the TLS certificate. You must enter an email address here to proceed with the installation. The installation will then complete without any further prompts.

When it finishes, your Jitsi Meet instance will be configured to use a signed TLS certificate for your domain name. Certificate renewals will also happen automatically because the installer placed a renewal script at /etc/cron.weekly/letsencrypt-renew that will run each week.

The TLS installer used port 80 to verify you had control of your domain name. Now that you have obtained the certificate your server no longer needs to have port 80 open because port 80 is used for regular, non-encrypted HTTP traffic. Jitsi Meet only serves its website via HTTPS on port 443.

Close this port in your firewall with the following ufw command:

Your Jitsi Meet server is now up and running and available for testing. Open a browser and point it to your domain name. You will be able to create a new conference room and invite others to join you.

The default configuration for Jitsi Meet is that anyone visiting your Jitsi Meet server homepage can create a new conference room. This will use your servers system resources to run the conference room and is not desirable for unauthorized users. In the next step, you will configure your Jitsi Meet instance to only allow registered users to create conference rooms.

In this step, you will configure your Jitsi Meet server to only allow registered users to create conference rooms. The files that you will edit were generated by the installer and are configured with your domain name.

The variable your_domain will be used in place of a domain name in the following examples.

First, open sudo nano /etc/prosody/conf.avail/your_domain.cfg.lua with a text editor:

Edit this line:

/etc/prosody/conf.avail/your_domain.cfg.lua

To the following:

/etc/prosody/conf.avail/your_domain.cfg.lua

This configuration tells Jitsi Meet to force username and password authentication before allowing conference room creation by a new visitor.

Then, in the same file, add the following section to the end of the file:

/etc/prosody/conf.avail/your_domain.cfg.lua

This configuration allows anonymous users to join conference rooms that were created by an authenticated user. However, the guest must have a unique address and an optional password for the room to enter it.

Here, you added guest. to the front of your domain name. For example, for jitsi.your-domain you would put guest.jitsi.your-domain. The guest. hostname is only used internally by Jitsi Meet. You will never enter it into a browser or need to create a DNS record for it.

Open another configuration file at /etc/jitsi/meet/your_domain-config.js with a text editor:

Edit this line:

/etc/jitsi/meet/your_domain-config.js

To the following:

/etc/jitsi/meet/your_domain-config.js

Again, by using the guest.your_domain hostname that you used earlier this configuration tells Jitsi Meet what internal hostname to use for the un-authenticated guests.

Next, open /etc/jitsi/jicofo/sip-communicator.properties:

And add the following line to complete the configuration changes:

/etc/jitsi/jicofo/sip-communicator.properties

This configuration points one of the Jitsi Meet processes to the local server that performs the user authentication that is now required.

Your Jitsi Meet instance is now configured so that only registered users can create conference rooms. After a conference room is created, anyone can join it without needing to be a registered user. All they will need is the unique conference room address and an optional password set by the rooms creator.

Now that Jitsi Meet is configured to require authenticated users for room creation you need to register these users and their passwords. You will use the prosodyctl utility to do this.

Run the following command to add a user to your server:

The user that you add here is not a system user. They will only be able to create a conference room and are not able to log in to your server via SSH.

Finally, restart the Jitsi Meet processes to load the new configuration:

The Jitsi Meet instance will now request a username and password with a dialog box when a conference room is created.

Your Jitsi Meet server is now set up and securely configured.

In this article, you deployed a Jitsi Meet server that you can use to host secure and private video conference rooms. You can extend your Jitsi Meet instance with instructions from the Jitsi Meet Wiki.

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How To Install Jitsi Meet on Ubuntu 18.04 | DigitalOcean

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