Posts Tagged ‘magnetic field’
Microrobot lifts bead 4x its weight
U. CHICAGO (US) — Robots, just half a millimeter wide, will assemble themselves into star shapes when an alternating magnetic field is applied. Continue…
Tuesday, August 23, 2011 11:42 - 0 Comments
Earth & Environment - May 19, 2011 11:48 - 0 Comments
Earth’s core is melting and freezing
U. LEEDS (UK) — There’s been much debate about how Earth’s core could be melting and freezing when overall the deep Earth is cooling. Now researchers believe they have solved the mystery. (more…)
Earth & Environment - Mar 15, 2011 9:25 - 0 Comments
Keen sense of direction pilots sharks
U. FLORIDA (US) — Sharks know what they want and how to get it, swimming to a target in a direct path from as far as four miles away and reaching specific resource areas as far as 30 miles away. (more…)
