A dash of gold improves microlasers

Gold. The word brings to mind wedding rings, buried treasure and California in the 1840's. But when gold is reduced to 1/100,000 the size of a human hair, it takes on an entirely new personality.

Tracking the protein patrollers

A nanoprobe developed by biophysicists at NC State could allow researchers to trace the movements of different proteins along DNA – without the drawbacks of current methods.

Stretchable hologram can switch between multiple images

The possibility of sending and receiving holographic messages has long tantalized sci-fi fans. Although we're not there yet, scientists have now created holograms that can change from one image to another as the materials ...

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