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Thread: Random Science-y Videos, News, and Snippits!

  1. #1
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    Random Science-y Videos, News, and Snippits!

    I saw a short video yesterday and thought, "Hey, we should have a thread for this kind of thing. Just an aggregation thread for science-related bits that probably aren't worth having their own thread."

    ...then I decided against it and moved on. But now today I came across another cool video, so what the heck. I'll kick it off with it (again, it's a video for those of you who are at work/on slow connections and can't view videos):

    Nasa shoots BB into water at 20x the speed of a bullet
    .

    I'm amazed at the amount of displacement, though I wonder how much (if any?) is actually caused from gasses/air escaping the "gun." The vaporization of water upon impact is also quite interesting.

    ...I'll have to go back and see if I can find the video I found interesting yesterday. Can't even remember what it was now.

  2. #2
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    I don't think much, if any, of that was from the gun. They likely kept the the muzzle far enough back to prevent it having an effect and ruining the experiment. It was interesting, however, to see that the pellet left a trail in the air before impact due to its speed.

    The narration was just a tad lame. "White smoke"? Ugh.
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  3. #3
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    The clip is from Miracle-Planet.

  4. #4
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    Quote Originally Posted by Trebuchet View Post
    I don't think much, if any, of that was from the gun. They likely kept the the muzzle far enough back to prevent it having an effect and ruining the experiment.
    That was my thought; though I didn't know exactly what they were testing so wasn't sure if they'd bother negating that. Sounds like Githyanki saw it in more detail on a program? When they showed the rig, the gun didn't look that far from the water.

  5. #5
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    Ted.com always has something....
    Information about American English usage here and here. Floating point issues? Please read this before posting.

  6. #6
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    Quote Originally Posted by swampyankee View Post
    Ted.com always has something....
    I love TED videos, and that one was awesome! Exactly the kind of tidbit I thought would be perfect for a thread like this.

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