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[Poll] Which scientific breakthrough will come first?

  1. Unmanned interstellar probe travels to Proxima Centauri 4 light years away and returns images.

    3 vote(s)
  2. Physicists invent a successful theory of quantum gravity which passes stringent experimental tests.

    16 vote(s)
  1. Aug 18, 2010 #1
    As pointless as it is, let's speculate which of the two breakthroughs will come first!
    Last edited: Aug 18, 2010
  2. jcsd
  3. Aug 18, 2010 #2
    To achieve the first, we need to accelerate macroscopic objects to relativistic speeds. To achieve the second, we (probably) need to accelerate microscopic particles to ultra-relativistic, Planckian speeds. That's the deal.
  4. Aug 19, 2010 #3


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    Science Advisor
    Gold Member

    Tough choice. I like quantum gravity. It appears more likely than sending a probe to proxima centauri before the sun goes red giant.
  5. Aug 19, 2010 #4


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    Gold Member

    Wow, someone sure has no faith in humanity :biggrin:
  6. Aug 20, 2010 #5
    I voted wit the majority on the quantum gravity. Theories are far easier to prove then the daunting obstacle of actually doing something.
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