Last week I was asked by some school students about the nature of gravity. What is it? Isaac Newton, and a whole pile of textbooks following him, treat gravity as an attractive force between two objects. It’s a force that is proportional to the product of the masses of the two objects, and is inversely […]
Continue readingA couple of weeks ago saw the University of Waikato Open Day. (Acually, two days). There were some fantastic displays set up across the whole univerisity, with some exciting lectures and activities. With a dual-audience of would-be students and members of the public, our displays were meant to be eye-catching and fun, and I thought […]
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