News tagged with light wave

Laser physics upside down

At the Vienna University of Technology a system of coupled lasers has been created which exhibits truly paradoxical behaviour: An increase in energy supply switches the lasers off, reducing the energy can ...

Jul 15, 2014 4.8 / 5 (4) 1

Can you escape the force of gravity?

It feels like you just can't get away from clingy gravity. Even separated by distances of hundreds of millions of light years, gravity is reaching out to all of us. Is there a place you could go to get away ...

Apr 08, 2014 3.9 / 5 (36) 29

Bending the light with a tiny chip

(Phys.org) —Imagine that you are in a meeting with coworkers or at a gathering of friends. You pull out your cell phone to show a presentation or a video on YouTube. But you don't use the tiny screen; your ...

Mar 10, 2014 4.9 / 5 (18) 3