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Technology / Engineering news 1234

Smart brake light system would provide more information to drivers

March 26, 2008 | User rating: 3.9 / 5 after 30 vote(s) | User comments: 3

You are driving in heavy traffic. The brake lights on the car in front of you come on. Is the car slowing or is it going to stop? It slows to 25 mph and the lights go off. You drop back. The car in front of ...


New device cuts gas engine air pollution

August 23, 2006 | User rating: 3.6 / 5 after 49 vote(s) | No comments yet

Two U.S. scientists say they've developed a light-weight, relatively inexpensive way of reducing unburned hydrocarbon air pollutants from gasoline engines.


Engine on a chip promises to best the battery

September 19, 2006 | User rating: 4.6 / 5 after 84 vote(s) | No comments yet

MIT researchers are putting a tiny gas-turbine engine inside a silicon chip about the size of a quarter. The resulting device could run 10 times longer than a battery of the same weight can, powering laptops, ...


Portuguese team makes first paper based transistor

July 22, 2008 | User rating: 4.6 / 5 after 54 vote(s) | User comments: 4

(PhysOrg.com) -- Elvira Fortunato and colleagues from the Centro de Investigação de Materiais (Cenimat/I3N), at Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, made the first Field Effect ...


Scientists develop portable generator that turns trash into electricity

February 01, 2007 | User rating: 4.6 / 5 after 52 vote(s) | No comments yet

A group of scientists have created a portable refinery that efficiently converts food, paper and plastic trash into electricity. The machine, designed for the U.S. military, would allow soldiers in the field ...


New technology improves the reliability of wind turbines

October 29, 2007 | User rating: 4.2 / 5 after 39 vote(s) | User comments: 1

The world's first commercial Brushless Doubly-Fed Generator (BDFG) is to be installed on a 20kW turbine at or close to the University of Cambridge Engineering Department's Electrical Engineering Division Building ...


Deep-sea oil rigs inspire MIT designs for giant wind turbines

August 30, 2006 | User rating: 4.8 / 5 after 38 vote(s) | No comments yet

An MIT researcher has a vision: Four hundred huge offshore wind turbines are providing onshore customers with enough electricity to power several hundred thousand homes, and nobody standing onshore can see ...


Hoverit Unveils MagLev Chair

January 17, 2008 | User rating: 3.1 / 5 after 37 vote(s) | User comments: 8

British company Hoverit, Ltd., has recently introduced "The Lounger," a chair that defies gravity by hovering a few inches above its base. The Lounger uses permanent magnets in the chair and base to life the ...


Silicon Light Bulbs to Compete with Fluorescent Bulbs

March 06, 2008 | User rating: 4.5 / 5 after 72 vote(s) | User comments: 9

Thomas Edison invented the light bulb in 1880, and, since the 1920s, the incandescent light bulb has remained largely unchanged. While that's a testament to Edison's ingenuity, it's also a bulb that uses up ...


Finding a short circuit before it finds you

June 20, 2006 | User rating: 4.9 / 5 after 7 vote(s) | No comments yet

A preemptive spark lasting for nanoseconds that helps find potentially dangerous short circuits hidden in the miles of wiring behind the panels of aging commercial airliners has been patented by Sandia National ...


X-48B Blended Wing Body Research Aircraft Takes First Flight

July 26, 2007 | User rating: 4.6 / 5 after 37 vote(s) | No comments yet

NASA's Dryden Flight Research Center in Edwards, Calif., provided critical support for the first flight July 20 of the X-48B. The 21-foot wingspan, 500-pound remotely piloted test vehicle took off for the ...


Pint-sized car engine promises high efficiency

October 25, 2006 | User rating: 4.6 / 5 after 54 vote(s) | No comments yet

MIT researchers are developing a half-sized gasoline engine that performs like its full-sized cousin but offers fuel efficiency approaching that of today's hybrid engine system--at a far lower cost. The key? ...


Sending secret messages over public internet lines can take place with new technique

October 10, 2006 | User rating: 3.8 / 5 after 40 vote(s) | No comments yet

A new technique sends secret messages under other people's noses so cleverly that it would impress James Bond--yet the procedure is so firmly rooted in the real world that it can be instantly used with existing equipment ...


Universal Power Adapter Offers Alternative to Wall Warts

July 07, 2008 | User rating: 4.5 / 5 after 54 vote(s) | User comments: 24

When Doug Palmer realized he had forgotten his mobile phone adapter on a vacation in Mexico several years ago, the first thought that crossed his mind was, "There has to be a better way."


Researchers unveil details of chip cooling breakthrough

March 22, 2007 | User rating: 4.6 / 5 after 38 vote(s) | No comments yet

At the IEEE Semi-Therm Conference 2007, IBM researchers unveiled details of a new technique to significantly increase capabilities to cool computer chips.


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