Science Facts

Longest Floating Bridge

Longest Floating Bridge

This Multi Span Suspension Bridge is in very deep water in Norway. Deep water means the foundations are very expensive. So it stands on floating pontoons which are tethered to the seabed and held down - so pulled down against buoyancy forces. In order to make it...

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Pythagoras theorem

Pythagoras theorem

We know that the square of hypotenuse in a right-angled triangle is equal to the sum of the squares of the other two sides. This is Pythagoras theorem and there are many ways of proving this. The video below proves it in a novel way!

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