2don MSN
String theory: scientists are trying new ways to verify the idea that could unite all of physics
String theory unifies all the forces of nature. Forces that seem very different, such as gravity and electricity, are deeply ...
Nuclear physics is the study of the protons and neutrons at the centre of an atom and the interactions that hold them together in a space just a few femtometres (10-15 metres) across. Example nuclear ...
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