A new laser design helps create usable terahertz radiation, which penetrates common materials but doesn’t harm tissue.
Intel has announced its next generation of chip: with more than one billion transistors.
Affordable HD-DVD players are one potential payoff from a simpler process for making semiconductor lasers.
As governments dither about greenhouse gases, billionaire Richard Branson offers a reward for removing excess carbon dioxide from Earth’s atmosphere.
A UC Berkeley study has found that a chemical in a man’s sweat can trigger the hormones that sexually arouse women.
A look under the hood and inside the battery of the world’s best-selling gas-electric hybrid car.
An intelligent video system in an Arkansas bayou searches for an elusive bird.
Scientists plan to test an implanted chip with four times the resolution of the previous version in people blinded by retinal degeneration.