Tech
- Tech
On the Rebound
When electronically reversed in time, acoustic echoes can zero in on a spot in space, focusing sound energy so that it may zap tumors, detect submarines, or transmit private and secure information.
- Tech
Watching the Big Wheelers: In sea of cars, trucks reveal traffic flow
A new way to sense traffic jams more quickly tracks the motion of trucks within the overall traffic flow.
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The Little Engines That Couldn’t
Tired of grinding their gears, micromachine researchers turn to surface science.
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Worms may spin silk fit for skin
Silk cocoons could become puffs of valuable human proteins if a new bioengineering method pans out.
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A Theremin’s Electronic Wail
A pioneering electronic instrument played without touch, the theremin can produce a wide range of eerie sounds. Introduced by Lev Sergeyvich Termen in 1921, the instrument responds to hand motions, which control the pitch and loudness. Information about the theremin is available at various Web sites, and if you’re dying to play it yourself, you […]
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Technique boosts data rate in light pipes
Turning a liability into an asset, a new technique for passing information through optical fibers increases the data flow by exploiting the very trait that has long held that flow back.
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Light Splash: Transparent pipes shape microstructures
A new technique using fluid dyes in microplumbing to create miniature fluid-carrying chips improves the 3-D topography of these microstructures and makes that topography relatively easy to modify.
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NanoLights! Camera! Action!
Fluorescent particles of semiconductors are giving biologists a new view of cells and proteins.
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Bridge Building
For those fascinated by the art, science, and history of building bridges, this Web site provides a wealth of information and images devoted to structures designed to span obstacles of various sorts. Check out different bridge types, key components of bridges, explanations of forces that act on bridges, and much more. Go to: http://www.brantacan.co.uk/bridges.htm
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Columbia Disaster: Why did the space shuttle burn up?
The space shuttle Columbia, which tore apart killing all seven of its crew on Feb. 1 just minutes before it was scheduled to land, may have been doomed since its liftoff.
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Magnifier May Crack Crimes, Crashes
Gumshoes equipped with a novel device for magnifying magnetic fields may spy clues on damaged, erased, or deliberately corrupted audio tapes and other magnetic media.
- Tech
Super Truck
Even James Bond might take notice. The SmarTruck, developed for the U.S. Army by the National Automotive Center and the Integrated Concepts and Research Corporation, serves as a vehicle for testing cutting-edge technologies. The current model incorporates a sophisticated information system, an adjustable air suspension system for varied terrain, and a slanted body style that […]
