Make This Lava Lamp Bubble And Churn Yourself

When I say “yourself”, I mean “whack a tealight candle underneath”. It’s certainly more DIY than plugging it into a wall socket and flicking the switch. One tealight is good for around three hours of ’70s-style fun.


March 9, 2010
Science

Centrifuge Tests ‘Would A Lava Lamp Work On Jupiter?’

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“A strong wind is produced as the centrifuge induces a cyclone…The smell of boiling insulation emanates from the overloaded 25 amp cables. If not perfectly adjusted and lubricated, it will shred the teeth off brass gears in under a second.”