Shortest ever pulse of visible light spots photons fleeing atoms
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 – 380 x 10^-18 seconds – the flashes are the shortest pulses of visible light ever created in the lab. Image: Christian Hackenberger/Attoelectronics MPQ
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