The U.S. Army wants self-healing, corrosion-resistant polymers to camouflage tanks. Researchers think nanotubes will help them get there.
Do the bounties of manned space travel justify the risks?
In the wake of the Space Shuttle Columbia disaster, a new generation of rocket-powered launch technologies gets a closer look.
The author lends an ear to three portable devices that combine MP3 and FM radio.
A top roboticist says robots will improve-not replace-manned space flight.
How a smart antenna works.
Alan Guth's theory of inflation revolutionized our view of how the universe was created.
Last year, Japan fired up an ultrafast computer that puts its closest competitors to shame. What will it take for the United States to catch up?
A cracked crystal launched the silicon revolution.