Influence people

Wednesday, January 10, 2018

Time


Time isn't the main thing. Its the only thing.

— Miles Davis

My home sits across the street from the original campus of NIST, where a physicist invented the atomic clock in 1948. A bronze plaque marks the spot.

Physicists use the atomic clock to measure time and synchronize clocks worldwide. Without it, we wouldn't have mobile phones or GPS.

Physicists call the instants the atomic clock measures Atomic time

Naturally, there are many other forms of time, including:

Universal time. Universal time measures the duration of the Earth's rotation on its axis, which actually takes a bit more than 24 hours—and more time every day, because the earth's rotation is slowing.

Space time. Space time measures where instants take place. Einstein proved gravity causes space time to warp, particularly near black holes. Space time also warps at the DMV.

Quality time. Quality time measures the instants when spouses and parents enable silent mode on their mobile phones.

Eastern time. Eastern time measures the period when most of the work is performed each day in the United States (contrast this especially to Pacific time).

Miller time. Miller time measures the instants when beer and other alcoholic beverages are consumed. On college campuses, this form of time is frequently accompanied by Lost time.

Missing time. Not to be confused with Lost time, Missing time measures the instants abductees spend aboard UFOs, experiencing what physicist call "close encounters of the fourth kind."

Executive time measures the instants the President spends watching the Fox News Channel. Like Universal time, this from of time expands daily.

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