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  2. Microsecond - Wikipedia

    en.wikipedia.org/wiki/Microsecond

    1 microsecond – the length of time of a high-speed, commercial strobe light flash (see air-gap flash). 1 microsecond – protein folding takes place on the order of microseconds (thus this is the speed of carbon-based life). 1.8 microseconds – the amount of time subtracted from the Earth's day as a result of the 2011 Japanese earthquake. [1]

  3. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    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". In other cases, the quantity name implies the base unit, like "century". In most ...

  4. Unit of time - Wikipedia

    en.wikipedia.org/wiki/Unit_of_time

    microsecond: 10 −6 s: One millionth of a second. Symbol is μs millisecond: 10 −3 s: One thousandth of a second. Shortest time unit used on stopwatches. jiffy (electronics) ~ 10 −3 s: Used to measure the time between alternating power cycles. Also a casual term for a short period of time. centisecond: 10 −2 s: One hundredth of a second ...

  5. Second - Wikipedia

    en.wikipedia.org/wiki/Second

    microsecond: 10 6 s Ms megasecond 1 week, 4 days, 13 hours, 46 minutes, 40 seconds 10 −9 s ns nanosecond: 10 9 s Gs gigasecond 31.7 years 10 −12 s ps picosecond: 10 12 s Ts terasecond 31,700 years 10 −15 s fs femtosecond: 10 15 s Ps petasecond 31.7 million years 10 −18 s as attosecond: 10 18 s Es exasecond 31.7 billion years 10 −21 s ...

  6. Best Practices for Long-Term Investors in a Microsecond Market

    www.aol.com/news/2012-09-14-best-practices-for...

    The rise of high-frequency and quantitative trading is both an extreme manifestation of and a contributing factor to a stock market in which the bulk of activity is short-term oriented. It has ...

  7. Millisecond - Wikipedia

    en.wikipedia.org/wiki/Millisecond

    A millisecond (from milli-and second; symbol: ms) is a unit of time in the International System of Units equal to one thousandth (0.001 or 10 −3 or 1 / 1000) of a second [1] [2] or 1000 microseconds.

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  9. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    The good news is, if you’ve accidentally taken a supplement that’s a little old, you don’t have to be too concerned. What’s the average shelf-life of vitamins?