A powered elbow brace developed at MIT allows patients with spinal-cord injuries to bend and extend their arms under their own control.
Who needs spiders? An arachnoid-mimicking device turns out strong, light, flexible fibers.
...and other key developments in the technology and business of the ultra-tiny.
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Japanese mobile-phone giant NTT DoCoMo is replacing house keys, credit cards, and train passes with a phone that does it all.
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From the editor
Determina's software provides maintenance-free protection against computer worms.
Gadgets that let you control computers with a wave or a nod could offer an escape from keyboards and mice.