News tagged with laser pulses

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Superconductivity without cooling

Superconductivity is a remarkable phenomenon: superconductors can transport electric current without any resistance and thus without any losses whatsoever. It is already in use in some niche areas, for example ...

dateDec 04, 2014 in Superconductivity
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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? ...

dateOct 22, 2014 in Optics & Photonics
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Superhuman vision

All through his childhood, Ramesh Raskar wished fervently for eyes in the back of his head. "I had the notion that the world did not exist if I wasn't looking at it, so I would constantly turn around to see ...

dateOct 07, 2014 in Engineering
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Laser pulse turns glass into a metal

For tiny fractions of a second, quartz glass can take on metallic properties, when it is illuminated be a laser pulse. This has been shown by calculations at the Vienna University of Technology. The effect ...

dateAug 26, 2014 in Optics & Photonics
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