Science · 24. August 2020
What is the universe made of? Most people would say atoms, but that’s not the whole story. We know that atoms are made up of protons, neutrons and electrons, because when radioactive atoms decay, they emit those particles. Actually, the situation is still more complicated. There is a different type of decay, beta decay, which is how physicists discovered the electron neutrino. After that, many different types of particles were discovered by particle accelerators, such as the LHC. Another way...