News tagged with power

Creating accountable anonymity online

The World Wide Web is, in many ways, still the Wild West. Though a large portion of internet traffic is monitored and traceable, systems like the Tor Project allow users to post and share anything anonymously. Anonymous systems ...

Nov 12, 2013 not rated yet 1

Laser diodes versus LEDs

Solid-state lighting based on light-emitting diodes (LEDs) is the most efficient source of high color quality white light. Nevertheless, they show significant performance limitations such as the "efficiency ...

Nov 11, 2013 4.7 / 5 (3) 0