#experimental-physics

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#attoseconds #ultrafast-optics #electron-dynamics #physics #time-reversal-invariance #symmetry
Science
fromenglish.elpais.com
16 hours ago

The technology that reveals what happens in 0.00000000000000000000001 second

Attosecond-scale light pulses reveal ultrafast electron dynamics, enabling new studies of materials, quantum processes, and biological structures, and have earned major scientific awards.
Philosophy
fromBig Think
5 months ago

The Universe is not the same forwards and backwards in time

Time is experienced only in one direction: forward, despite underlying laws of physics suggesting symmetry.
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