Items tagged with Electricity

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Elusive 'Persistent Current' Flows Forever Monday, October 12th, 2009 - 17:44:19 - Ehud Rattner Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows... read more

Magnetized Gas Points to New Physics Sunday, September 20th, 2009 - 16:03:10 - Ehud Rattner It would be tough to stick it to your refrigerator, but an ultra-cold gas magnetizes itself just as do metals such as iron or nickel, a team of... read more

Solar Cell Phones Take Off Saturday, August 22nd, 2009 - 18:54:10 - Anuradha Menon Peter Gathungu walks more than a mile to a shopping center, where he pays a sizable sum to charge his cell phone. That's because electricity is... read more

Scientists Demonstrate Wire-Free Electricity Friday, July 24th, 2009 - 09:04:11 - Anuradha Menon Say goodbye to plugs and cables – the era of wire-free power has moved a step closer, after scientists showed how mobile phones and televisions could... read more

Solar for Dark Climates Saturday, July 11th, 2009 - 10:30:13 - Anuradha Menon Cool Energy, a startup based in Boulder, CO, is developing a system that produces heat and electricity from the sun. It could help make solar energy... read more

iPod Saves Teenager from Lightning Strike Saturday, June 20th, 2009 - 16:22:52 - Anuradha Menon This iPod saved its owner from shuffling into the Great Beyond. Sophie Frost, 14, survived a lightning strike this week when the wires in her... read more

Future Nokia Phone Recharges Without Wires Wednesday, June 17th, 2009 - 09:04:04 - Anuradha Menon Pardon the cliche, but it's one of the holiest of Holy Grails of technology: Wireless power. And while early lab experiments have been able to "beam"... read more

High-Altitude Wind Machines Could Power NYC Tuesday, June 16th, 2009 - 16:06:45 - Sarah Gingichashvili The wind blowing through the streets of Manhattan couldn't power the city, but wind machines placed thousands of feet above the city theoretically... read more

Pig Poop Helps Power Netherlands Thursday, June 11th, 2009 - 18:29:06 - Anuradha Menon Methane-rich pig excrement on a large Netherlands farm is being turned into electricity and partially fed into the national power grid. Horrevorts... read more

Regular Light Bulbs Made Super-Efficient Monday, June 1st, 2009 - 17:55:22 - Ehud Rattner An ultra-powerful laser can turn regular incandescent light bulbs into power-sippers, say optics researchers at the University of Rochester. The... read more

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