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Physics / Math / Engineering


Physics and Mathematics

  1. Alternative theories

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

  • 2952 topics
  • 41133 replies
The Relative Simultaneity O... - last post by Moronium

Astronomy and Space

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

  • 1293 topics
  • 24027 replies
I Just Saw Arturo Vanish An... - last post by exchemist

Engineering and Applied Science

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

  • 279 topics
  • 2608 replies
Coolants Freeze - last post by JMJones0424