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Tag: experiments

When analogies are taken too far: Spacetime is bent, but it’s not quite a stretchy membrane

September 30, 2020 | Marcus | science, Uncategorised

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 […]

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When whizz-bang isn’t whizz-bang enough

June 11, 2014 | Marcus | Uncategorised

A 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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