Tech
We summarize the week's scientific breakthroughs every Thursday.
- Tech
Hot Flashes, Cold Cuts
By obliterating matter in a never-before-seen way, a new breed of lasers cuts everything from eyeballs to diamonds with unprecedented precision.
- Tech
Nanotech Switch: Strategy controls minuscule motor
Researchers have modified a rotating protein fragment so that it starts and stops spinning with the addition and removal of zinc.
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- Tech
Engineering Top 20
Airplanes, telephones, refrigerators, and spacecraft are among the life-changing technological accomplishments highlighted at the National Academy of Engineering’s Greatest Engineering Achievements of the 20th Century Web site. A variety of illustrations, a brief history, and a timeline of important landmarks accompany each entry. Go to: http://www.greatachievements.org/
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Solar Surgery: Sunlight acts like laser
By channeling sunlight down a fiber optic cable, scientists have produced laserlike beams that can burn tumors off major organs.
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Beads and glue defeat forgers
Researchers have devised a cheap, translucent material that, when embedded in credit cards and other items, would endow the items with unique identifiers that are almost impossible to tamper with or copy.
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Ribbon to the Stars
Advances in one of the tiniest of technologies—carbon nanotubes—is bringing the concept of a space elevator closer to reality.
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Cool Contraptions
The J. Paul Getty Museum’s intriguing online exhibition, “Devices of Wonder,” features optical devices, robots, thinking machines, and other fanciful contrivances of yesteryear. Check out a variety of ingenious contraptions for projecting images, playing music, revealing secrets, and more. Go to: http://www.getty.edu/art/exhibitions/devices/choice.html
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Coal: The cool fuel for future jets
To power faster supersonic jets, scientists are developing coal-derived fuels that can absorb heat without breaking down at high temperatures.
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Liquid Logic: Tiny plumbing networks concoct and compute
By incorporating thousands of simple valves into microscopic networks of rubbery pipes and chambers, scientists have created fluid-manipulating microchips of unprecedented power.
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Ear to Traffic
Listen to the sounds of Web site activity, as massaged by statistician Mark Hansen of Lucent Technologies and translated into musical tones by audio artist Ben Rubin of the Brooklyn Academy of Music. Intriguing audio samples offer hints of how aural cues might complement visualization techniques in data mining. Requires a Web browser with RealPlayer […]
- Tech
Future Tech
Science fiction and fact seem to mingle at this Web site, which provides entertaining glimpses of a variety of futuristic technologies, from wearable computers to electronic healing. Links lead to other Web sites that offer additional information. Go to: http://www.21stcentury.co.uk/technology/index.asp
