1,529 results
- Tech
The Little Engines That Couldn’t
Tired of grinding their gears, micromachine researchers turn to surface science.
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Snap, Crackle, and Feel Good?
Magnetic fields that map the brain may also treat its disorders.
- Humans
Motor City hosts top science fair winners
The 2000 Intel International Science and Engineering Fair winners were announced in Detroit.
- Humans
Terrorism Repercussions: Scientists consider threats, opportunities after Sept. 11
A new report from the American Association for the Advancement of Science considers the potential effects on academic research of government policies proposed in response to the terrorism attack of Sept. 11, 2001.
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How whales, dolphins, seals dive so deep
The blue whale, bottlenose dolphin, Weddell seal, and elephant seal cut diving energy costs 10 to 50 percent by simply gliding downward.
- Health & Medicine
Oceans apart, but surgery succeeds
A French group performed the first transatlantic operation when surgeons in New York controlled a robot in Strasbourg, France, which removed a woman's gall bladder.
- Tech
Refueling Rockets
Hybrid-rocket fuels—part solid, part liquid—have been around for a half-century, and they may just now be taking off.
- Math
Logic in the Blocks
Sliding-block puzzles can be surprisingly difficult to solve and can even serve as theoretical models of computation.
- Tech
Bugs on Mars
Undaunted by the hurdles on flight posed by thin air and a lack of oxygen, aerospace engineers are devising extraordinary flying machines resembling giant insects and windmills to make the exploration of Mars more rapid and effective.
- Tech
Ribbon to the Stars
Advances in one of the tiniest of technologies—carbon nanotubes—is bringing the concept of a space elevator closer to reality.
- Math
Knotty Calculations
An alternative approach to quantum computing takes advantage of space-time knots and braids.
- Tech
Robosaur roams with spring in its step
The novel dinosaur robot Troodon takes two-legged walking machines onto new terrain.
