Liz Bonnin, Dallas Campbell and Jem Stansfield put science to the test. Jem tries to smash a land speed record with a fire extinguisher, a go kart and a well-oiled spanner. Show more
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Liz Bonnin, Dallas Campbell and Jem Stansfield put science to the test. Jem tries to smash a land speed record with a fire extinguisher, a go kart and a well-oiled spanner. Show more