Tech
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Computing
New initiatives scale up supercomputing
Several government efforts aim to give researchers access to computing power in the range of 12 trillion operations per second or more.
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Computing
Web worms: Code Red to Warhol
Using an efficient infection strategy, a malicious programmer could deploy a rogue computer program far more voracious than the Code Red worm that struck on July 19.
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Tech
New method lights a path for solar cells
Using a technique in which chemical ingredients assemble themselves, a research team has developed a potentially inexpensive way of making solar cells.
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Tech
Soaking Up Rays
Although light shines through body parts of a primitive marine sponge much as it does through sophisticated optical fibers for telecommunications, scientists differ on whether sponges hold clues to better fibers for humankind.
By Peter Weiss -
Tech
Setting electronics in artificial stone
Electronics components made of Portland cement may one day be part of buildngs and roadways that double as gargantuan sensors or other current-carrying devices.
By Peter Weiss -
Tech
Having gathered moss, water drops roll
A coating of water-repellent powder transforms water droplets into remarkably mobile and resiliant balls, hoops, or peanut-shaped blobs.
By Peter Weiss -
Tech
Biotechnology may fortify U.S. Army
A government-sponsored study says the U.S. Army may benefit from advances in biotechnology during the next 25 years, including sensors that identify soldiers by the food they ate, protein-based computers, near-instant vaccines, and automated wound treatments.
By Peter Weiss -
Tech
Optics oddity challenges microchip makers
An obscure optical effect called instrinsic birefringence has suddenly appeared as a threat to technology for making denser, faster microchips.
By Peter Weiss -
Tech
Dances with Robots
Soldiers, rescue workers, and others may attain superhuman strength, speed, and endurance as a result of a new military program to develop powered robotic exoskeletons contoured to a person's body.
By Peter Weiss -
Tech
Device fingers chemical thugs at scene
A compact, new instrument exploits quantum mechanics to rapidly identify illegal drugs, pollutants, and other chemicals, on the spot.
By Peter Weiss -
Tech
Robosaur roams with spring in its step
The novel dinosaur robot Troodon takes two-legged walking machines onto new terrain.
By Peter Weiss -
Tech
Polymer takes dim view of explosives
By spraying surfaces with a light-emitting polymer, researchers have taken a step toward making new sensors for traces of common explosives.
By Peter Weiss