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Physics / Math / Engineering


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Physics and Mathematics


  1. Alternative theories

Formulae, ideas, theories, speed of light, black holes...

  • 2734 topics
  • 38092 replies
Types Of Clocks Which Have... - last post by exchemist

Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.

  • 1232 topics
  • 23535 replies
An Analysis Of The Big Bang - last post by suricat

Engineering and Applied Science

The art of applying science to specific problems. Materials, construction, technical issues and related topics.

  • 262 topics
  • 2535 replies
Power Question - last post by mrg