Friday, 24 April 2015

What happens when a bowling ball and a feather are dropped together under the conditions of outer space?

What happens when a bowling ball and a feather are dropped together under the conditions of outer space?
Most of you know that any two objects dropped in a vacuum will fall at the same rate. Some of you have probably even seen it demonstrated in person. Even so this video is pretty amazing!

Physicist Brian Cox  visited NASA’s Space Power Facility in Ohio to check out the Agency's Space Simulation Chamber. At 30.5 meters across and 37.2 meters tall, the colossal aluminum construction has a volume of 22,653 cubic meters (or about ~800,000 cubic feet), making it the biggest vacuum chamber in the world.

If you haven't seen this video...maybe you should ;)
https://www.youtube.com/watch?v=E43-CfukEgs

#gravity   #experiment   #science   #physics  


9 comments:

  1. That could very well be the coolest video I have seen in a long time. I mean we all know it to be true… but in the back of our heads we still wonder… really???

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  2. but, but, but.... gravity... Outer space... A vacuum yes... but gravity...

    :-)

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  3. Whatever happened to streaming videos? What ever made people decide to start using a really bad still picture and animation format (GIF) for videos. Please stop. Just post it as a YouTube or an mpg.

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  4. Brian Holt Hawthorne huh? What's the problem with providing, in effect, an animated gif preview of interesting segments and a link to the video?

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  5. I post what a heck I want!
    Gif stays, if you don't like it... Don't look and don't read!!!!

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  6. Corina Marinescu Terrific post, Corina, both GIF and video :)

    The endurance of Newtonian physics is that there is still quite a bit of wonder in it:  That something literally as light as a feather and something as heavy as a bowling ball do fall at the same rate.  It is also amazing that Sir Isaac surmised this in the absence of modern day instrumentation. 

    Enter, Einstein:  I'm super-intrigued by his notions of gravity (i.e. as curved spacetime à la Theories of Relativity).  To consider, for example, that neither feather nor ball is actually falling is quite a heady thing indeed!

    It is interesting to note that Einstein's 1921 Nobel Prize was not for general or special relativity (even though it came at the heels of a breathtaking proof of his Theory of General Relativity).  A hundred years since, physicists and laypeople alike are still trying to get their heads around around Herr Professor's head! 

    I did say it was a heady thing, didn't I (lol).

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  7. It's cool that even within Newton's 'classical' theory (funny to call it that given that his theory of dynamics was a revolution) when looked at from forces at a particle level accounts for this behaviour of light and heavy objects. Although our human cognitive biases (intuition) cause us to assume denser mass and generally heavier objects fall faster, it follows from Newtonian physics that this is wrong.

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  8. Corina Marinescu Of course! It's your party and I appreciate the great stuff you post. My request was more like a guest at a party asking the host if the music could be turned down a bit. A not very polite guest, apparently...

    Why don't I like animated GIFs of videos? It all has to do with bad choices the Google+ iOsS developers made. Even if I don't read a post, if the post is on the screen (say, while I am reading a different article) it downloads all that data (I have a limited cellular data plan) and starts playing.

    I do appreciate the YouTube link, and I admit that I didn't see it the first time when I jumped to conclusions and ended up landing badly with my foot in my mouth.

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  9. Proposition (le Paraclet). Au théâtre vous pouvez changer de personnalité. L'esprit dit scientifique, peut-il momentanément changer de paradigme et considérer avant de porter un jugement, toute la matière en expansion accéléré et
    laisser cette idée faire son chemin
    dans la complexité des liaisons neuronales. Signé Le Téorogateur.

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