How petrol pumps know when to turn themselves off
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Gas or petrol pump nozzles turn off automatically when your tank is full. The way it works is really clever and uses the venturi effect.
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Steve Mould
I make videos about science. I also write books! You can get them here: https://stevemould.com/books You can support me on Patreon here: https://www.patreon.com/stevemould You can discuss my videos on reddit: https://reddit.com/r/SteveMould For sponso...