Their solar-powered light had become a serious endeavor that needed to go beyond the classroom.
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Simple--and aesthetically pleasing--ideas include transforming Mason jars into solar-powered light jars, converting pallets into lawn furniture and reusing detergent containers as rain catchers.
He compares this to a battery-powered light, in which you hook up the wires and electrons flow to make a light bulb turn on.
The Port Authority of New York and New Jersey, which owns the site, said the LED-powered light would be activated in the next few months.
In a process similar to printing a photograph, engineers beam high-powered light through a mask-like image of the chip, creating a duplicate on a silicon wafer.
In a process similar to printing a photograph, engineers beam high-powered light through a masklike image of the chip, thus creating a duplicate on a silicon wafer.
Rather than creating a new type of solar-powered light, which seems to be where most alternative energy people spend their time, Martin Riddiford and Jim Reeves, London based designers spent the last four years developing GravityLight as an off-line project.
It's an LED light powered by a lithium ion battery that'll give you around eight hours on a charge.
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Philips, for instance, is planning to launch a small solar-powered LED reading light for Africa, where an estimated 500m people live without electricity.
The light is powered by a simple weighted bag, be it sand, rock, or earth, or anything weighing approximately 20 pounds.
Using this technology, Dr. Palanker expects to be able to fit enough light-powered panels to stimulate 5, 000 pixels in a space similar to what the other retinal prostheses use.
Instead of using electrodes, his team developed rows of tiny "photovoltaic" pixels (like solar panels), powered by the pulsed light from the video goggles, which are implanted under the retina.
Thin, light, and powered by Intel processors, Intel boasted its chips would redefine the notebook market.
The sunlight-powered systems are used to light homes and shops instead of expensive and polluting kerosene lamps.
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In green tech news this week, Voltaic unveiled a new waterproof LED touch light that can be powered by any USB source.
Separate from the energy savings achieved by the solar panel arrays, Panasonic's new full-color, dual-sided LED video board will use less energy than the previous sign, which was powered by 7, 000 traditional light bulbs.
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Steven Burt, G24's chief financial officer, talks of light-bulb-powered TV remote controls, smoke detectors and computer keyboards. (A non-removable internal battery would store charge for use when the lights are off.) The company already offers prototypes of bags and jackets with photosensitive panels woven in, designed to charge digital cameras and mobile phones, and a hotel in Las Vegas is using G24's products to run its electric window-blinds.
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Aside from heavy-duty pickups, only about 3% of U.S. light-duty vehicles are powered by diesel today.
The pieces have an Egyptian look and mirrored sides that bounce light from a low-powered diode laser at one another and consequently knock each other out of the game.
Take the case of Deng Xunming, a China-born U.S. citizen who is a pioneer of America's solar industry and whose innovations light up the first solar-powered billboard on New York's Times Square.
Light Energy that produces and sells solar-powered LED lanterns to replace kerosene lights in the emerging market villages.
People linger delightedly at the Hotel Habitat by Enric Ruiz-Geli with Cloud 9 Acconci Studio and Ruy Ohtake, a miniature simulacrum of a proposed four-star hotel for Barcelona covered with a web of 5, 000 winking light-emitting diodes, or LEDS, powered by solar cells for a nighttime display of glowing colors.
Supermarket giant Tesco has recently been given a green light to build Britain's first ever straw-powered Combined Heat and Power (CHP) plant to meet the electricity and heating needs of one of its distribution centres.
The built-in web camera powered by an "Exmor" sensor also allows for great low-light performance.
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Up top are a power switch and a light that flashes green for a moment when the reader is powered on.
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Light, a company that makes portable, rechargeable, solar-powered lights.
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The lenses of its battery-powered glasses are actually tiny LCD screens that open and close like shutters, letting light in selectively.
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Technologies on display ranged from solar powered water purification units to military vehicles using next generation materials and energy sources to light weight batteries that can give better range and endurance.
Considered the world's most advanced sun-powered plane, the Solar Impulse took off from Moffett Field in Mountain View at first light for a two-hour practice run in advance of a planned multi-city, cross-country tour.
When we were planning the expedition, someone suggested a tiny kite-powered ice buggy that had been developed for a previous trip, but it was too small, too light for us.
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