As these lived for less than a thousandth of a second, their presence was ascertained by examining the daughter atoms into which they quickly decayed.

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The aperture will adjust from F2.9 to F8 without any prompting, and the shutter will set itself anywhere from one-thirtieth of a second to one-one thousandth of a second.

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Think of it this way: if we took one-thousandth of a second of footage from the femto camera video output and slowed it down to the speed of 30 seconds per frame -- the approximate speed of a standard TV broadcast -- it would take us a lifetime to watch.

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But it was concentrated onto a speck a little more than one thousandth of a millimetre across and it lasted for just 30 femtoseconds (30 million billionths of a second).

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