Do you think perpetual motion can ever be achieved, or will the laws of thermodynamics defiantly never allow it?

Question: Do you think perpetual motion can ever be achieved, or will the laws of thermodynamics defiantly never allow it?
- Keywords:
  defiantly,
  perpetual,
  thermodynamics
Asked by astroaaron to Ben, Jony, Katharine, Mark, Peter on 19 Nov 2011.
- Mark Basham answered on 18 Nov 2011:
  
  Is asking the question twice some cunning attempt at a perpetual motion question? 🙂
- Peter Williams answered on 19 Nov 2011:
  
  Let me check. Nope, entropy is still increasing. Perpetual motion still out 🙂

astroaaron commented on 18 Nov 2011:

I didn’t even known I asked it twice :S

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- Mark commented on 20 Nov 2011:
  
  No worries, just thought it was a bit amusing 🙂
  
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Question: Do you think perpetual motion can ever be achieved, or will the laws of thermodynamics defiantly never allow it?