explainers
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Why Some Trucks Have Those Extra Wheels That Don’t Always Touch The Ground
Ever notice that some big trucks sometimes have random-looking extra tires attached to them that seem to be pointlessly floating? Those aren’t spares and they’re not for decoration, even when they’re mounted on the top of the truck.
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Another Gravitational Wave Detector Will Help Revolutionise Astronomy
Last year, the pair of LIGO experiments announced a discovery a hundred years in the making: Gravitational waves, tiny ripples in space time from a pair of colliding black holes a billion light years away. You might wonder what scientists will do with two giant gravitational wave detectors now that they have fulfilled their primary…
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Why Smaller Aeroplanes Are So Much Better Than Bigger Aeroplanes
The Airbus A380 is an amazingly ginormous aeroplane that can fit over 600 people inside. The Boeing 787 Dreamliner tops out at around 300. But bigger isn’t better.
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Fun Video Hilariously Explains What All Those Random Symbols On Sheet Music Mean
Video: This clever video by Julian Cianciolo explains how to read sheet music and is actually much more enjoyable to watch than you’d imagine, especially if you’re a musician who can read sheet music because you can probably understand all the deadpan explanations, layered in-jokes and trombone quips.