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It’s generally accepted that bodybuilding officially began in the late 1800s with the rise in popularity of Eugene Sandow. This famed strongman and physical culturist is often known as “the father of ...

The Klein Bottle is a 4D mathematical oddity. We test a 3D model to see how its non-orientable surface behaves when filled with liquid. Explore topology and why this shape has no 'inside' or 'outside' ...

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