11/12/2014

'Twisted light' beamed across Vienna


Physicists have sent a beam of twisted light 3km through the air above Vienna.

It is the first time that information has been transmitted outdoors using the "twist" of a visible light beam.

This twisting property could allow very fast communication because light with different amounts of twist, encoding separate channels of information, could be sent simultaneously.

Read More

0 comments:

Post a Comment

Grace A Comment!