News tagged with light signal

How do robots 'see' the world?

The world has gone mad for robots with articles talking almost every day about the coming of the robot revolution. But is all the hype, excitement and sometimes fear justified? Is the robot revolution really coming?

dateDec 22, 2015 in Robotics
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Nanoscale one-way street for light

An optical device at nanoscale which allows light to pass in only one direction has been developed at TU Wien (Vienna). It consists of alkali atoms which are coupled to ultrathin glass fibres.

dateDec 14, 2015 in Nanophysics
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Graphene flakes as an ultra-fast stopwatch

Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), working with colleagues from the US and Germany, have developed a new optical detector from graphene which reacts very rapidly to incident light of all different ...

dateOct 27, 2015 in Nanophysics
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