The Twister was a Corvair-powered, articulated, multi-wheeled vehicle built by Lockheed for the U.S. military. Like the Gama Goat, however, only the prototype of the Lockheed Twister used Corvair power - though in this case, it used more of everything: eight wheels and dual 164-cu.in. Corvair si
High Pressure Flame-Gas Tank Safety
I'm hoping for either some discussion or education on a possible saftey implement to help protect property and emergency responders. I'm traditionally a biologist, so excuse the layman's language. I appreciate the help, Thank you.
Background: I'm looking into Boiling Liquid Expanding
Gas Chromatography for Used Motor Oil
HI,after running silica column fractionization for my extracted used motor oil from soil which giver colorless compound for f1 the aliphatic,, i did rota vap and dried it under nitrogen stream and the f1 now is in yelow in color. any idea how can i dilute it to send for Gac chromatography and what i
Imagine a World Where Everyone Typed in CAPS LOCK | Cosmic Variance
There used to be a Twitter account called Best of Wikipedia — it was a wonderful source for quirky things you might not have chanced upon in your normal browsing. Alas, it’s been quiet since November, so we’re left to our own devices. For some reason or another I was reading about Scholasticism, the dominant approach to teaching and learning in medieval Europe. Its early days came to pass during the Carolingian Renaissance in the late 700’s under Charlemagne.
Besides uniting Central Europe, Charlemagne was also a patron of learning, and used his influence to bring scholars from across the continent to his court. Most importantly, he recognized that the decline of literacy and the splintering of Latin into mutually incomprehensible regional dialects caused difficulties for the administration of an empire, so he ordered that every abbey in his domain should start a school. The idea of widespread schooling was a novel one at the time, and the long-term impact of this decision is probably incalculable. Sure, most of the scholarship may have been devoted to the interpretation of classic texts rather than the production of new knowledge, but you have to think that all that learning helped lay the groundwork for the eventual climb out of the Dark Ages. Start people thinking, and you never know where they will go.
So I was especially fascinated to read about Alcuin of York, one of Charlemagne’s greatest scholars. He was a respected teacher in Northumbria before being brought to court, where he had an enormous effect on the scholarship — establishing the liberal arts (the trivium and quadrivium) as the basis for the curriculum, and convincing Charlemagne not to put pagans to death if they refused to convert. He also produced a textbook of math problems with solutions, from which we learn that medieval word problems were more colorful than those we have today — these include the problem of the three jealous husbands and the problem of the wolf, goat and cabbage.
But it’s clear to me what Alcuin’s greatest achievement really was: he’s the guy who invented lower case letters. Can you imagine a world in which everything was written in ALL CAPS? Every time we read a crazy person ranting on the internet, we should give thanks to Alcuin that not everybody sounds like that.
Dog rips off police cruiser's bumper with teeth, wins friends
From Autoblog:
Take one Chattanooga, Tennessee police cruiser, add a dog named Winston, and subtract one bumper. That's the math caught on video when Winston decided for reasons only he knows to completely tear off the bumper of the moving police car. Kudos go to the officer dr
Two wheels to the front: Arizona to legalize lane splitting. Maybe.
From Autoblog:
It's ten minutes after five o'clock, you're heading north on the 405 freeway, leaving Los Angeles. You won't appreciate your favorite two-wheeled conveyance much more than at this moment. If you spend time traveling through California, you know the practice of lane-s
This Is the First Cycle In History, Says Chinese Historian [Retromodo]
People believe that cycles were invented in the 19th century in Europe. Historian Xu Quan Long disagrees. He says cycles were invented 2,500 years ago, and he built this fully functional tricycle to prove it. More »
I-Beam Calculations
Hi All, I have a cavity wall which extends to roofline, 2 floors, brick external course block internal, tiled roof. I want to cut through a 6FT wide opening for a door way at the base of the wall. However I am unsure of what steel beams I need to support above brickwork. Would 100x150x @ 20KG be ok,
Suppliers of Stainless Steel Pipes
I need to have several stainless steel pipes with a 1 mm thickness, and diameters that allow 1 mm spacing between them. If you know a company that can makes metric pipe please contact me ASAP. Your help is greatly appreciated.
Gas Appliances
why don't all gas appliances come with a specific and concise conversion from NAT to High altitude Nat or lp? it is so wasteful and dangerous to run these things using "their" book. most appliances can and should run optimaly. we can do this.
Determining Lockup Speed
I was just wondering how a car manufacturer decides what is the lockup speed? and also when a car is running below the lockup speed, is the output not constant, as the output is determined by the fluid running the turbine side of a torque converter? Do we also expect to see torque fluctuations as we
Cathodic Corrosion Protection
The statement below is an extract from the request for proposal that am using for the earthing of a 250MW power gas station.Sincerely, i dont understand what they mean by cathodic corrosion protection of the earth conductor and how can this be achieved.The request for proposal clearly stated that pr
The New Energy Policy | The Intersection
In these difficult economic times, cap and trade couldn't survive. Wall Street, massive industry opposition, and political polarization were among the leading factors that killed the bill by Waxman and Markey. Now what? Senators Cantwell and Collins have proposed a 39-page plan called "cap and dividend." It's very similar to what Obama discussed during his campaign and would auction 100 percent of pollution permits to producers and fossil fuel wholesalers and return three-quarters of revenue to consumers for high energy costs. Not bad. Additionally, Senators Kerry and Graham are working on a new bill. According to The New York Times, it would:
include a cap on greenhouse gas emissions only for utilities, at least at first, with other industries phased in perhaps years later. It is also said to include a modest tax on gasoline, diesel fuel and aviation fuel, accompanied by new incentives for oil and gas drilling, nuclear power plant construction, carbon capture and storage, and renewable energy sources like wind and solar.
I'll be following the energy policy discussion as it continues with great interest. What do you want to see in the bill?
Measuring the Thickness of Dry Paint
We have a 50,000 m3 concrete water tank and we paint it by isolation paint from inside and we measuring the thickness of the paint in wet status during process, but I want to ask about a apparatus to measure it in dry status, Is it exits?
Pump Design for Multi-Mode Operation
I'm trying to simplify and cheapen the design of some food processing gear by combining two pumps into one. The two requirements are high pressure (1500 psi), low flow and low pressure, high flow at about the same total horsepower. Is there a pump design, either manual or power-driven, that
Wave Energy Scales Up Off Scotland
Ten wave and tidal projects will generate 1.2 gigawatts of power.
By Peter Fairley Scotland hopes to ride the next renewable energy wave. Site leases for several big wave and tidal power projects were awarded last week by the U.K. government, concluding a two-yea
One Piece Construction
3.8.8 Gaskets shall be of one piece construction unless otherwise agreed with the Contractor.
So what does " one piece construction" mean here?
Diversity Factor for PCs
Hi every one
I have to design (calculate) a cable size for office building has around 50 PC in it.
What diversity factor should apply for this number.
the input power for each is 8 A (Amper).
Voting Starts for Spirit of Innovation People’s Choice Award
Help 25 of the top high school innovators design the future! On March 29th, the Spirit of Innovation Awards challenges YOU to vote for your favorite teams and help select this year's "Pete Conrad Scholars!" Over the past 6 months, 25 finalist teams have created real products to solve some of the grand challenges facing society. From the depths of the oceans to the edges of space, these students will knock your socks off! Piezo-electric wallpaper, robotic astronaut assistants, advanced water purification systems, and Navajo Solar "Frybread" ovens; these are just a few of the amazing products high school students are designing. To see all of the teams check out http://www.conradawards.org, and remember, online voting is open March 29th through April 9th. Winners will be announced April 10th during the 2010 Innovation Summit at NASA Ames Research Center.
Scissor Lift Design
i am designing a scissor lift for 15 tons of load and 1m stroke.overall dimension are 4.8m * 2m*1.5m.I am want to know which material should be used for this? & which factor i have to consider for design like bending,buckling etc?