Our STEM Challenge series is back for the summer. So why not get your young engineers involved in the engineering fun with a couple more projects you can do with the whole family. FANCY MAKIHG A SMOOTHWHEEL 'TESLA' PADDLE STEAMER? The famous Tesla electric car company takes its brand name from the wacky but hugely inventive Nikola Tesla. Beginning in Victorian times, Tesla discovered and invented a tonne of stuff like the AC electricity system we use today, radio, radio control and - what we are interested in here - the ability of rotating smooth discs to produce a jet of liquid.
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