How Fluid Mechanics Helped Trippers for the Last 50 Years

The World

The iconic hippy home accessory, the lava lamp turns 50 this week. It was the invention of Edward Craven-Walker. He took his inspiration from a liquid-filled egg timer he spotted in a pub. Anchor Marco Werman speaks with Cressida Granger, Managing Director of Mathmos, the lighting company behind that psychedelic lamp.

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