Recent content by zzzspawn

  1. Z

    Can Sound Waves Be Used to Turn a Screw Like a Sonic Screwdriver?

    Oh my! :OO :FF I just stumbled upon this tread randomly from google! and as I've been a member of physicsforums for some time now, I don't believe I've ever sat down and read one as thoroughly as this one! it's simply fascinating! I'm going to build one of these within the next year for sure...
  2. Z

    Travel back in time, with the help of light?

    @Brin yeah I know :P it's sort of fascinating though a bit sad :P because it's not possible to watch x) if it was.. then I'd definitely look to see if I found someone like the doctor :P (from BBC - Dr Who).
  3. Z

    Travel back in time, with the help of light?

    hmm :D cool ^^ thanks for the answer citegrene! :D very helpfull ^__^
  4. Z

    Travel back in time, with the help of light?

    vanesch: thanks! :D I really needed a good answer to this. and I wasn't thinking of a mirror, but more of the light reflecting the planets in our solar system. but you understood my question quite perfectly. and now i got a more reasonable explanation, and it was satisfying :D I will sleep...
  5. Z

    Travel back in time, with the help of light?

    I'm very sorry for probably posting this in the wrong place, but I'm kind of a newbie when it comes to physics. this is a question I've had for a long time, and it is really giving me problems sleeping, as i keep wondering if it(at least in theory) could be possible.. here is my question...
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