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Shortest ever pulse of visible light spots photons fleeing atoms

Posted on 3 Feb 2016 in Featured, Physics

The ultimate high-speed flashbulb just measured how quickly electrons inside atoms respond to light. The work could speed the development of light-based electronics. At 380 attoseconds long โ€“ 380 x 10^-18 seconds โ€“ the flashes are the shortest pulses of visible light ever created in the lab. Image: Christian Hackenberger/Attoelectronics MPQ

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What is a ray of light made of?

Posted on 31 Jul 2015 in Featured, Journalism, Physics

Light is one of those things that we don’t tend to understand. If you were to zoom in on a ray of light, what would you see? Sure, light travels incredibly fast, but what is it that’s doing the travelling? Many of us would struggle to explain. Image: ilovepics11

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Pulses of darkness let digital data travel farther

Posted on 15 Jun 2010 in Journalism

Optical fibres can carry data for longer distances if it is encoded in pulses of darkness โ€“ and a laser-like device has been built to...

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Light pulses could release ‘locked’ drugs

Posted on 27 Mar 2009 in Journalism

A molecular combination lock, opened by only the correct sequence of light pulses, could make it easier to target drug treatments within...

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Cheap, super-efficient LED lights on the horizon

Posted on 29 Jan 2009 in Journalism

Compact fluorescent bulbs may soon follow incandescent bulbs into history the material needed to build LED lamps has just got...

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