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This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds.
Femtosecond. A femtosecond is a unit of time in the International System of Units (SI) equal to 10 −15 or ⁄1 000 000 000 000 000 of a second; that is, one quadrillionth, or one millionth of one billionth, of a second. [1] For context, a femtosecond is to a second as a second is to about 31.71 million years; a ray of light travels ...
Minute. A digital clock showing zero hours and one minute. Minute is a unit of time defined as equal to 60 seconds. [1] One hour contains 60 minutes. [2] Although not a unit in the International System of Units (SI), the minute is accepted for use in the SI. [1] The SI symbol for minutes is min (without a dot).
The TU (for time unit) is a unit of time defined as 1024 μs for use in engineering. The Svedberg is a time unit used for sedimentation rates (usually of proteins). It is defined as 10 −13 seconds (100 fs). The galactic year, based on the rotation of the galaxy and usually measured in million years.
10 2: hectosecond hs minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 5.55 hs (9 min 12 s): The longest videos in the above study 7.1 hs (11 m 50 s): The time for a human walking at average speed of 1.4 m/s to walk 1 kilometre 10 3: kilosecond ks minutes, hours, days
2 Million Minutes. 2 Million Minutes is a series of documentary films exploring how students in the United States, India, and the People's Republic of China spend the nominal 2,000,000 minutes of their high school years. [1] The film has been supported by Newt Gingrich and Al Sharpton.
Box office. $40 million. Gone in 60 Seconds is a 1974 American independent action film written, directed, produced by, and starring H. B. Halicki. [2] The film centers on a group of car thieves and the 50 cars they must steal in a matter of days. It is known for having wrecked and destroyed 93 cars in a 40-minute car chase scene, one of the ...
Second. The second (symbol: s) is the unit of time in the International System of Units (SI), historically defined as 86400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each (24 × 60 × 60 = 86400).