By Mike McRae, 21 May 2025
Put surface tension to the test in this surprising experiment.
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By David Shaw, 28 June 2018
Find out more about invisibility by hiding a glass jar in plain sight. Then, use the jar to create a clever illusion, making a rock appear to float mysteriously!
By David Shaw, 27 August 2013
Keen to blow some seriously big bubbles? Try making this bubble mix!