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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...

  • 2712 topics
  • 37688 replies
Independent Term - last post by Dubbelosix

Astronomy and Space

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

  • 1229 topics
  • 23312 replies
Aging When Travelling - last post by spartan45

Engineering and Applied Science

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

  • 256 topics
  • 2514 replies
The Ultimate Tyre Problem. - last post by quickquestion