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Science

X-ray stopwatch can measure durations of just attoseconds

1 publisher first detected 3% of 40 Science publishers

Headline as filed by Nature News.

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Publisher Headline Summary Published Detected Delay Source Status
Nature News X-ray stopwatch can measure durations of just attoseconds
Nature, Published online: 04 November 2026; doi:10.1038/d41586-026-03423-2The duration of short ångström-wavelength X-ray pulses, which lasted merely 170 attoseconds, has finally been measured accurat
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