Applied Physics Letters

Slip-and-slide power generators

Researchers from Vestfold University College in Norway have created a simple, efficient energy harvesting device that uses the motion of a single droplet to generate electrical power.

May 24, 2012
4.7 / 5 (3) 1

Return of the vacuum tube

Vacuum tubes have been retro for decades. They almost completely disappeared from the electronics scene when consumers exchanged their old cathode ray tube monitors for flat screen TVs. Their replacement – the semiconductor ...

May 18, 2012
5 / 5 (11) 3

Researchers fold origami with light

(Phys.org) -- Replacing the need for nimble fingers, researchers have demonstrated how to make origami using light of a specific wavelength. They call the new folding technique photo-origami, and it could ...

May 10, 2012 feature
4.1 / 5 (7) 0 | with audio podcast

Writing graphene circuitry with ion 'pens'

The unique electrical properties of graphene have enticed researchers to envision a future of fast integrated circuits made with the one-carbon-atom-thick sheets, but many challenges remain on the path to commercialization. ...

Mar 27, 2012
4.7 / 5 (3) 1