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Scientists said that "zeptosecond" is the smallest amount of time. The new unit represents one trillionth of a billionth of a second (10 to the -21st power), which is smaller than a millisecond. In ...

A system that can distinguish phonons, the smallest units of sound, marks an important milestone in the development of more advanced quantum computers. Quantum computers might one day do things ...

The smallest conceivable length of time might be no larger than a millionth of a billionth of a billionth of a billionth of a second. That's according to a new theory describing the implications of ...