Instantaneous Velocity
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@JESUSISLORDAMEN yhats true dude every revolutionary discoveries and ideas originated in Inda and those western looooooooosers take all the credit!
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I'm too dumb to understand your subject
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I was told waterclock was from the arabs and they learnt from aincent India, Pi and Calculus came from India
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Interesting. I saw a show like NOVA or maybe it was on the Discovery channel, anyway the Greeks had water clocks that moved gears keeping track of over 100 different functions... like days, months, years, phases of the moon, the Zodiac, etc...
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Wow! Looks like you did your homework!
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with such accuracy that although the operation was repeated many, many times, there was no appreciable discrepancy in the results."
More:A water clock or clepsydra is any timekeeper operated by means of a regulated flow of liquid into (inflow type) or out from (outflow type) a vessel where the amount is then measured. Water clocks, along with sundials, are likely to be the oldest time-measuring instruments, with the only exceptions being the vertical gnomon and the day-counting tally stick.
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from wikipedia:"a large vessel of water placed in an elevated position; to the bottom of this vessel was soldered a pipe of small diameter giving a thin jet of water, which we collected in a small glass during the time of each descent, whether for the whole length of the channel or for a part of its length; the water thus collected was weighed, after each descent, on a very accurate balance; the differences and ratios of these weights gave us the differences and ratios of the times, and this
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Wow! Using water (dripping I suppose and then weighing the water to record time! Cool!
incredible. I will look up the water clock.
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"Galileo talked to Newton" ... Hmmm. I know our Sir Isaac was a bright lad, but not as an embryo, surely?
ProsperosCloset 2 years ago
Good catch... it was atucally Edmund
Halley that Newton talked to.
aatucagg 2 years ago
Its amazing to me how could Galileo measure the milliseconds as the all rolled down the incline? What a genius he was! Oh the average velocity. But still, did they have clocks back then? (sorry if that's a stupid question). hahaha They counted in seconds back then? I'm confused.
starzship 2 years ago
This is a very good question in fact.
Galileo used a water clock and weighed the water after each experiment to record time. (Galileo describes his water clock in Discourses on Two New Sciences (1638)
aatucagg 2 years ago