Science, Maths & Technology
Particle physics
...chemistry extremely dull, as it would be limited to a single molecule, H2, with no one to study it! The rules of strong interactions allow the construction of a neutron (udd) in the same manner as a proton (uud). Indeed, in the first moments of the Universe it is believed that protons and neutrons were created in equal numbers. Nowadays, however, the Universe as a whole...