A Measure of the Power That Drives the Bicycle
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The Polar CS600 With Power relies on sensors that capture slight differences in chain vibration as well as chain speed to calculate power output.
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A gas flow such as a puff of compressed air produces a tiny amount of electricity as it passes across a semiconductor surface -- enough to make a sensitive gas-flow sensor.
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It's not just your air conditioner -- what many overlook is how much energy their computers use on a daily basis -- the latest federal statistics show computers used more electricity than microwaves, VCRs and dishwashers combined.
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Can I get a price check on this Schwinn Lil' Princess bike and the electric smart car?
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Scientists have demonstrated a way of transmitting electrical power through the air, raising the prospect of wireless gadgets such as mobile phones, MP3 players and laptops that do not need power leads to recharge their batteries.
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JackBootâ¢? March-o-Maticâ¢? YompBotâ¢? A team of researchers at MIT have developed a rather clever new twist on the conventional powered exoskeleton idea*. Rather than seeking to amplify the strength of the wearer's own muscles, the relatively simple MIT rig is intended merely to transfer the load of a heavy backpack directly to the ground, which allows very low power consumption.â¦
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Science & environment: Is wind turbine that looks like a giant rotary washing line the answer to our renewable energy prayers?
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Vehicles that draw power from the electricity grid offer uneven benefits, a new study finds.
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Using electric fields to alter the electrical properties of a carbon nanotube on the fly makes for a key nanoscale electronic component.
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Researchers at Simon Frasier University in British Columbia have developed technology that generates electricity from the natural motion of walking. In an article published in the journal Science this month, Max Donelan, an assistant professor of kinesiology, and other team members say their biomechanical energy harvester promises to revolutionize the way people charge the batteries that power all sorts of mobile gear.
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NEW YORK  - Using a low-level electrical  current across the skin, the GlucoWatch Biographer device can  supply as many as three glucose measurements per hour.
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Main problem of battery vehicles potentially fixed The rules of the game for electrically-powered vehicles may be about to change, as new battery technology approaches road service.â¦
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Assemblea delle imprese elettrotecniche ed elettroniche
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Dutch cyclists union ENFB has  launched the first door-to-door route finder for bicycles,  which is the result of a large volunteer project inspired by  the collaborative Internet project Wikipedia.
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Go behind the scenes of the 2007 Amgen Tour of California pro cycling race as it kicks off in San Francisco sporting the latest in bike tech. A photo journal by Michael Calore.
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Unlike other hybrid vehicles that tout stealth, satellite navigation or energy efficiency, this vehicle claims to be the offspring of a motorcycle and a sports car. From Crave, CNET's gadgets blog.
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Electronic devices that generate their own power can play a major role in the battle against climate change.