Geckos and insects inspire a new kind of tape that's strong and reusable.
The torch is 100,000 times smaller than the original.
Artificial muscles ten times smaller than a human hair have a thousand times more twist than previous ones.
Researchers use inkjet printers to print a simple antenna that can harvest stray electromagnetic energy.
A new way to make batteries could boost their power and extend their useful lives.
A novel battery produces electricity in places where freshwater meets saltwater.
Protein fragments in bee venom, called bombolitins, are used to create ultra-sensitive sensor.
Normally silver and aluminum are highly reflective, but on the nano-scale, they absorb sunlight better than anything.
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