repulsion force

12.01.09

Robots Borrow Hydro-Repelling Tech from Insect Legs to Walk on Water

Coming soon: surfaces that never need cleaning, and the messiahbot

By Val Wang Posted 06.02.2009 at 10:19 am 6 Comments

A robot that can walk on water: such a miracle is one step closer to reality, thanks to some new research that learns from the work nature has done with water striders. Walking on water may seem like a superpower and the name scientists have give the property of the striders' legs is fitting: super-hydrophobia.

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READ MORE ABOUT > biomimicry, legs, movement, repulsion force, robots, walking, water

Making Small Change Smaller

The art of shrinking coins using copper coils, magnetic fields and enough energy to power a small city.

By Theodore Gray Posted 10.01.2003 at 7:00 pm 0 Comments

I remember driving past a fraternity house when I was a teenager and wondering why I could tell instantly that someone was playing the drums live, not on a stereo. Live drums, I realized, have a sharper attack than any electronic reproduction, and the distinction is obvious to the drums in our ears. But shouldn't it be possible to hit a speaker cone with a magnetic field just as hard as you can hit a drum with a stick?

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