Time has long been a major subject of philosophy, art, poetry, and science. There are widely divergent views about its meaning; hence it is difficult to provide an uncontroversial definition of time. Scholars disagree on whether time itself can be measured or is itself part of the measuring system. Many fields use an operational definition in which the only definition attempted is that of the units used.

The measurement of time has also occupied scientists and technologists, and was a prime motivation in astronomy. Time is also a matter of significant social importance, having economic value ("time is money") as well as personal value, due to an awareness of the limited time in each day and in our lives. Units of time have been agreed upon to quantify the duration of events and the intervals between them. Regularly recurring events and objects with apparent periodic motion have long served as standards for units of time. Examples are the apparent motion of the sun across the sky, the phases of the moon, and the swing of a pendulum.

Time has historically been closely related with space, most obviously with spacetime in Einstein's General Relativity.

More on [ Time ]

Ark of Time - Twitter Search

@peterwabbit had time to watch wipeout, make a greek salad, potato and leek soup n meatless lasagne. Watching raiders of e lost ark now too!
offwthepixies (Lynn Wong) Thu, 10 Dec 2009 14:19:26 -0000
@peterwabbit had time to watch wipeout, make a greek salad, potato and leek soup n meatless lasagne. Watching raiders of e lost ark now too!
@bananasessions what time are you guys actually on at? there's another band i wanna see at the ark, hoping i can catch both of you!
Periferite (Paddy Hare) Thu, 10 Dec 2009 11:32:25 -0000
@bananasessions what time are you guys actually on at? there's another band i wanna see at the ark, hoping i can catch both of you!
OMG guys, where there humans around at this time? Folk memory of the flood = noah, the ark and all that? http://tinyurl.com/ye5n9fv
llef (Sioned Edwards) Thu, 10 Dec 2009 10:45:40 -0000
OMG guys, where there humans around at this time? Folk memory of the flood = noah, the ark and all that? http://tinyurl.com/ye5n9fv
@Chunksnorris I did it! I found your Christmas gift! I swear, I would have had an easier time looking for the ark of the covenant.
DwightSteel (Barry Rodgers) Thu, 10 Dec 2009 09:47:02 -0000
@Chunksnorris I did it! I found your Christmas gift! I swear, I would have had an easier time looking for the ark of the covenant.
@patrickstewart am traveling w/ the Ark kids -- potty break time (4 legged kids -- 4 of them. Grt Dane, Borzoi, Catahoula, Australian Shep
BlondeByDesign (Sprite) Thu, 10 Dec 2009 05:57:47 -0000
@patrickstewart am traveling w/ the Ark kids -- potty break time (4 legged kids -- 4 of them. Grt Dane, Borzoi, Catahoula, Australian Shep
No matter how many time I hear it I will never tire of Ark theme from Raiders of the Lost Ark
alexjustinger (Alex Justinger) Wed, 09 Dec 2009 23:19:16 -0000
No matter how many time I hear it I will never tire of Ark theme from Raiders of the Lost Ark

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