Scientists have measured the shortest unit of time ever: the time it takes a light particle to cross a hydrogen molecule. Scientists have measured the world's smallest unit of time, and it's called the zeptosecond. The minute was formerly defined as the 60th part of an hour, or the 1,440th part (60 × 24 [hours] = 1,440) of a mean solar day—i.e., of the average period of An order of magnitude of time is usually a decimal prefix or decimal order-of-magnitude quantity together with a base unit of time, like a microsecond or a million years.In some cases, the order of magnitude may be implied (usually 1), like a "second" or "year". A zeptosecond is a trillionth of a billionth of a second, or a decimal point followed by 20 zeroes and a 1. Hour, in timekeeping, 3,600 seconds, now defined in terms of radiation emitted from atoms of the element cesium under specified conditions. That time, for the record, is 247 zeptoseconds. That time, for the record, is 247 zeptoseconds. This standard was improved by Naram-Sin, but fell into disuse after the Akkadian Empire dissolved. The hour of The term first appeared in the G1 episode "City of Steel", though its usage there does not make clear if it is meant to signify a unit of time. Scientists have measured the shortest unit of time ever: the time it takes a light particle to cross a hydrogen molecule. Minute, in timekeeping, 60 seconds, now defined in terms of radiation emitted from atoms of the element cesium under specified conditions. The eContent uploaded on this website is on Literary Theory and Criticism. See you in a zeptosecond! In other cases, the quantity name implies the base unit, like "century".In most cases, the base unit is seconds or years. If there's a fundamental unit of time at the tiniest scales of the universe, it's too small to measure. This project was sponsored by MHRD, New Delhi under NMEICT (Sakshat) initiatives for eContent development. A unit of unknown duration used in the Shattered Glass universe. But scientists found what its upper limit must be. The hour was formerly defined as the 24th part of a mean solar day—i.e., of the average period of rotation of the Earth relative to the Sun. Judging by its usage, it may be roughly equivalent to a minute. Ancient Mesopotamian units of measurement originated in the loosely organized city-states of Early Dynastic Sumer.Each city, kingdom and trade guild had its own standards until the formation of the Akkadian Empire when Sargon of Akkad issued a common standard. Nano-cycle ~1 second The target learners are graduate and post-graduate students. This website is the outcome of the project undertaken at Department of English, Maharaja Krishnakumarsinhji Bhavnagar University (Bhavnagar - Gujarat).