A swinging platform and a pen attached to a pendulum, draw intricate shapes and patterns on paper.
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The trigonometry function of 'tan' can be used to find the distance to a target.
When raindrops congregate in a cloud to a certain density, rain will fall.
Full steam ahead and watch which way the cork goes.
Ever wanted to lock-up your brother? Well you can, using a thaumatrope!
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