Archive: 29/11/2013

3-D images, with only one photon per pixel

Lidar rangefinders, which are common tools in surveying and in autonomous-vehicle control, among other applications, gauge depth by emitting short bursts of laser light and measuring the time it takes for reflected photons ...

dateNov 29, 2013 in Optics & Photonics
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Small company helps Twitter make money (Update)

Twitter just issued its IPO but a lingering question is how the popular worldwide microblog company will turn a profit. One U.S. company thinks it has found one way to help Twitter, and itself, make money.

dateNov 29, 2013 in Internet
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