News tagged with laser

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Ultra-thin light detectors

A new, extremely thin kind of light detectors was created at Vienna University of Technology. Two very different technologies were combined for the first time: metamaterials and quantum cascade structures.

Mar 27, 2014
5 / 5 (5) 0

A 'Star Wars' laser bullet

Action-packed science-fiction movies often feature colourful laser bolts. But what would a real laser missile look like during flight, if we could only make it out? How would it illuminate its surroundings? ...

Oct 22, 2014
4.6 / 5 (14) 0

What is the geometry of the universe?

One of the big questions in cosmology regards the shape of the universe. "Shape" in this case is not the distribution of galaxies, but rather the shape of space and time itself. In general relativity, space ...

Sep 24, 2014
4.5 / 5 (54) 40