Stanford and Berkeley teams create 'electric skin'

A butterfly tips the scales on a super sensor to determine weight and pressure, part of research project on artificial skin.

"For an amputee, the body may continue feeling a phantom limb for long after the original is gone.

Every arm or leg movement can carry the imaginary weight of a lost appendage, regardless of the presence of a prosthetic..."   > physicsbuzz.physicscentral.com