Ask a Scientist
Over the years, people have sent questions to Fermilab on subjects from why the sky is blue to the speed limit of the universe. Here are a selection of the most interesting questions and informative answers. If you have a question for Fermilab, email us. When submitting a question, please provide your age or profession. It helps our scientists to write a better response. Fermilab also offers an in-person Ask a Scientist program for onsite visitors. Register for an Ask a Scientist tour.
Physics Questions People Ask Fermilab
Quarks, leptons and bosons, spin and mass, antimatter.
Strong, weak, electromagnetic and gravitational, particle-wave dualism.
Quantum fields, superstrings and all that.
Bringing particles to almost the speed of light.
Capturing the tracks of particles.
From the big bang to black holes, extra dimensions, space and time.
Physics at the speed of light.
From very cold to very hot — and everything in between.
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