Tech
- Tech
Robots making robots, with some help
A new type of robotic system that designs and produces robotic offspring may represent a first step toward self-replicating "artificial life."
- Computing
Going to digital extremes
A researcher designs the ultimate laptop, stretching the laws of physics to their limits to achieve blazing computation rates.
- Tech
Device ups hydrogen energy from sunlight
A solar-electric cell that stands above an acid bath on electrode legs has converted light to hydrogen fuel with unprecedented efficiency.
- Computing
Computer Game Art and History
Curious about early video games or recent developments in game technology? This Web site accompanies the “Game On” exhibition, developed by the Barbicon Gallery and the National Museums of Scotland. An exhibition guide briefly explains what the various displays include. The education section offers tips for creating a video game as a classroom project. The […]
- Tech
Press ‘n’ Peel Lasers: Coaxing light beams out of cheap plastic
Researchers have devised a way to imprint lasers in plastic—an achievement that may one day lead to ultracheap lasers mass-produced like poker chips.
- Tech
Counting calories on the road
People are programmed to spend about the same number of calories per day—roughly the energy of one hot dog—on daily travel, according to new analysis of British transportation statistics.
- Tech
Soft blow hardens Columbia-disaster theory
By blasting a gaping hole in a shuttle wing with a block of foam fired from a gun, a NASA investigative team appears to have confirmed the leading theory of what caused the Feb. 1 destruction of the space shuttle Columbia.
- Tech
Giving solar cells the rough treatment
A new solar cell design that traps photons in the crevices of a bumpy surface uses low-cost materials and may make these cells more commercially appealing.
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- Tech
Coddled crystal slams door on light
A better fabrication process yields such a high-quality optical material that microchips using light, rather than electrons, may be close to reality.
- Tech
Tiny device brings out the best in sperm
A new device with potential use in fertility treatments separates robust sperm from stragglers by exploiting a phenomenon that occurs when two microscale fluid flows merge.
- Tech
Columbia Disaster Working Hypothesis: Wing hit by debris
The independent board investigating the breakup of the space shuttle presented its first detailed account of what might have caused the Feb. 1 disaster.
