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Thread: Ancient Questions in Physics

  1. #1 Ancient Questions in Physics 
    Forum Freshman FieryIce's Avatar
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    Can you answer these ancient physic questions?

    “Go, weigh for me the weight of fire, or measure for me a blast of wind, or call back for me the day that is past … or show me the picture of a voice"

    These questions were posed to mankind about three millennium ago.


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  3. #2  
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    • Weigh something. Set it on fire until it burns out. Weigh it again. :P Alternatively perform your experiment in such a way as to determine the amount of energy generated by the fire, then use E=mc<sup>2</sup> to get the equivalent mass.
    • Windspeed is measured in miles per hour. A wind blowing over a period of time gives you the number of hours. Consquently "a" wind as a whole is measured in miles. On Mt. Washington they once measured 3,100 miles of wind over a 24 hour period. See http://www.mountwashington.org/observatory/faq-1.html
    • With the invention of the phonograph and the cinematograph in the 1890s/1900s, this actually became possible for the first time in human history. Nowadays it's quite routine to turn on your tv and watch an episode of Star Trek, say, which is recalling a day that was past nearly forty years ago.
    • Open any .wav or other digital recording of sound in a sampling/mixing program to see a picture of a voice...


    Mod edit: Fixed your list (IS)


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  4. #3  
    Forum Freshman FieryIce's Avatar
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    weight of fire = British Thermal Unit (BTU)
    blast of wind = Wind Speed Meter (Anemometer)

    Yes!!

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  5. #4  
    Forum Freshman craterchains's Avatar
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    Maybe it is the questions that haven't been quoted from the bible that has some worried
    about the truth of these facts? :wink:
    It's not what you know or don't know, but what you know that isn't so that will hurt you. Will Rodgers 1938
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