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greree

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Posts posted by greree

  1. If his hand deflected as a result, perhaps it would just leave a scar.

    I'm not sure I understand your answer. A bullet traveling 1000 feet per second wouldn't knock someone's hand out of the way, it would pierce it. A meteorite roughly the size and shape of a bullet traveling 44,000 feet per second certainly wouldn't knock someone's hand out of the way, and it certainly wouldn't bounce off and then strike the ground hard enough to leave a two foot crater.

  2. A news article I read today. Quote:

     

    "The white-hot meteorite bounced off the schoolboy's hand and hit the ground so hard it left a foot-long crater in the tarmac - as well as a three-inch scar on his hand."

     

    If a meteorite traveling at 30,000 mph hit someone's hand, wouldn't it take it off, rather than bounce off?

  3. But film? Who uses film anymore?
    Artsy fartsy people do. This film is a special type, and it's also almost 40 years old. Apparently photographs taken with this film have a certain look that artsy fartsy people like, so they're willing to pay a lot of money for it. My roommate is selling it to some guy in the UK, and he doesn't want to take a chance that someone will accidentally x-ray it. He's already got "Film: Do Not X-Ray" stickers all over it. He just wants a little bit more assurance that it won't get ruined.

     

    Thanks for the info, guys.

  4. I'm having a discussion with my roommate. His opinion is that only lead will block x-rays. I think anything will block x-rays, if it's dense enough or thick enough. So I'm sure that aluminum foil will block the x-rays used to x-ray packages going through the Post Office. So I guess the question is "is it possible to wrap unexposed film in enough layers of aluminum foil to prevent exposure of the film by the x-rays, and if so how many layers?" Thanks.

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