Florida man is world’s fastest flasher: Just 53 quintillionths of a sec

Physicists at the University of Central Florida have developed the world’s fastest X‑ray pulse, at 53 attoseconds.Blink and you’ll really, really miss it. At 53 quintillionths (53 x 10‑18) of a second, the flash is 15 orders of magnitude faster than the blink of an eye. The beam travels less than one-thousandth of the diameter of a human hair in that time.The group led by Zenghu Chang, a professor of physics, optics and photonics, also held the previous record in 2012 for the fastest light pulse at 67 attoseconds. The new record is not only faster, but the light is at a shorter wavelength too, allowing scientists to penetrate the “water window” – a region where carbon atoms absorb the light more strongly than water molecules.

Source: Florida man is world’s fastest flasher: Just 53 quintillionths of a sec • The Register

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