This Material Sorts Itself
In a rotating drum, grains of different sizes separate into strange patterns. Steve connects the demonstration to granular segregation, the Brazil nut effect and landslides on the Moon.
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Steve Mould
Steve Mould makes science videos built around curious experiments, writes books for young readers and performs science comedy with Festival of the Spoken Nerd.
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Steve’s happenings, collected from public sources, plus his backstory and Starbook, where fans write.
This Device Turns Anything into a Suction Cup
Steve investigates vibration adhesion and explains why his initial comparison with a Bernoulli gripper did not tell the whole story. He also shares files for a vibration motor harness.
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Hooded Seals are Really Weird...
Steve posted a short video about hooded seals, alongside a link to his hooded seal plushie with an actuating nose bubble.
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The "Perpetual Motion" Pump That Actually Works
A transparent ram pump lets Steve explore one of his most requested topics. He describes how difficult it was to get the demonstration working.
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This Device Goes Past Equilibrium
Steve explores counterflow heat exchangers and the surprising way they can exchange the temperatures of two liquids.
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