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Awesome Spirals

Looping Pendulum Long Exposures

Looping Pendulum Long Exposures

If you attach different-weight objects to a string and hang them over a bar, the lighter object can prevent the heavier one from hitting the ground when dropped. As this happens, the rope spirals around the bar. Science teacher Bruce Yeany attached LEDs to the objects and captured long-exposure photos of this fascinating looping pendulum action.

Hand Cutting Spirals from Glass Bottles

Hand Cutting Spirals from Glass Bottles

Maker BigWR takes a momentary break from building strange bicycles to show off another skill. After taping a pattern around two glass bottles, he used a well-lubricated glass cutter to slice perfect spirals out of their sides. Then he got to the really tricky bit – separating the pieces without shattering the parts he wanted to keep.

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