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Lava Lamps are pretty straightforward beasts: take a hot bulb, slap a glass jar full of liquid and wax on top, and watch the undulating shapes simmer around while you try to remember exactly what was ...

If we got a mobile phone charm for every phone charm we ever saw, then we'd have a lot of phone charms. Most don't pass the Crave test, which is why you never hear about them. This one from Mathmos, ...