It is a capital mistake to theorize before you have all the evidence. It biases the judgment.
– S. Holmes
Built on Facts is going on a brief (2 day) semi-hiatus as I’ve got a classical mechanics exam this Friday. It’s not a total break though. The posts will be there, but they’ll just be short. With all respect to Mr. Holmes, why don’t we ignore him just for the moment and make today a bit of a survey day? Specifically, a survey about what we think about physics for which we have no (or very little) experimental data! Short answer format:
Does each exist or not?
1. A way for a massive object to beat the light speed limit?
2. Any type of multiple universes?
3. Strings as described by string theory?
4. Magnetic monopoles?
5. The Higgs boson?
6. Hawking radiation?
These in my opinion (in very, very loose order) range from pretty much impossible to quite likely. Opinions?