Consumers are opting for extended warranties for tablets, smartphones, and other easily damaged electronic gadgets. If you've ever dropped one or irreparably damaged one of these devices, you probably got an extended warranty or insurance on the next one. Is the extra cost justified?
The preceding
Critics of wind farms complain that they are noisy, unsightly, and dangerous to wildlife. So why not move them offshore? A proposed $5 billion network of wind farms off the U.S. East Coast would generate 6 GW of power, the same as 10 coal-fired power plants. Could such a large wind farm quiet the cr
From msnbc.msn.com:
China opened the world's longest bridge over water on Thursday. The Jiaozhou Bay bridge is 26.4 miles long, according to Guinness World Records. It links China's eastern port city of Qingdao to Huangdao island. State-run CCTV said the 110-foot-wide bridge cost more
we are maintaing power factor to .99 at our meter end & our monthly bill is reflecting the same.but our industry is in 1 km. area . so is there some line losses & other electricity losses. if there how i can calculate these & remove pls help.
The energy in waves can be captured by building reservoirs at sea. The reservoirs would be fixed to monopiles so that the bottom of the reservoir is fixed at low tide level.
Water enters the reservoirs through one-way valves in their sides and exits through turbines to generate electricity. Water w
We are living longer, thanks to advances in medicine, nutrition and education. Once people reach retirement age, they start thinking about retirement. Some welcome it; others dread the idea. We are programmed to think retirement at age 65 is the normal way of life, but it is not nor should it be. Wi
Do third harmonic currents have three parts viz positive, negative and zero sequence currents
or
third harmonic currents only have zero sequence type of currents and there is no positive and negative sequence in them.
What is the standard formula to check Transformer vector group test.
i want to know weather we can carry out lime calcination in electrical furnace.can any body tell a suiteble electric furnace or kiln for lime burning?
Hi sirs,
The difference between a two winding xformer and a autotransformer is that, in a autotransformer, the windings are physically connected. The question is,
1. in a two-winding transformer, the core is used to provide a low reluctance flux path which actually links from primary to secondary.
Which tool can be depended on day-in and day-out for accuracy and consistancy: a micrometer, vernier caliper, digital caliper or a dial caliper? Assuming all are high quality tools, like Starrett or Mititoyo.
Which stainless steel is best to be used for shop fittings, 201 or 304?
Dear All,
I have a HAMAI 3VS VMC with a FANUC 10M Control in it and due to some mistake the parameters of the machine were wiped out and I got screwed as I do not have the back up of the same. But working on this for a long time we have started the machine back and the axis moment is great but the
In this episode, Chris Duke of Motorz TV explains how to replace all of the major fluids in your vehicle. Chris begins by summarizing the differences in automotive fluids by color and viscosity. For example, automatic transmission fluid (ATF) is red and has a thin consistency. Gear oil has a thi
It's not exactly the world's most action-packed video, but it provides a very thorough point-of-view perspective on exactly what you'll see if you tour the place where new Camaros are born. There are some great views of the inside of the plant. Plus, there are Camaros in every state of assembl
Sure, design-school renderings are a dime a dozen, and most of them never end up seeing the light of day in production or even as life-sized concepts. But this one, the Ankonian concept by Slavche Tanevski of the Munich University of Applied Sciences, very much captures and extends the desig
From Popular Science:
Drivers of Volkswagens could soon forget about fender benders or lane drifting on the Autobahn - their cars will take care of those little problems. The German automaker debuted a new "Temporary Autopilot" (TAP) program that can control the car semi-automatically at
In a dangerous world, most companies are cognizant that threats may come from outside their walls. However, some threats might come from within such as when a worker tries to trigger an explosion or a trusted supplier turns out not to be so trustworthy. How do you "lock out" internal threats?
The p
From Fast Company:
If your EV stutters to a halt while you're cruising down the highway, call the same people who fix flats on your regular car. And more mobile charging options may soon be coming to your street.
Read the whole article
Some say packaging professionals should remain neutral in the "incineration vs. recycling" debate. Others say weigh in. The politically correct or easiest cause to support has always been recycling. But both recycling and incineration keep packaging out of landfills, presumably the least favorable o