Geoff Cottrell was Director of the Culham International Summer School for Plasma Physics from 2006-2011. He is a fellow of the Royal Astronomical Society, and visiting scientist at the Oxford University Astrophysics department and at the Rutherford Appleton Laboratory.
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What is matter? Matter is the stuff from which we and all the things in the world are made. Everything around us—from desks, to books, to our own bodies—are made of atoms, which are small enough that a million of them can fit across the breadt... SEE MORE