colours
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How Colours Are Discovered
In the early 18th century, German chemist Johann Jacob Diesbach was at work in a laboratory trying to make a red pigment out of cochineal insects, the tiny bugs whose extract dyes everything from food to lipstick. Diesbach hypothesised that he could combine the carmine extract with alum, iron sulfate and potash to make the…
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Melting Crayons Gets Pretty Psychedelic
Video: There’s a moment (before it devolves into some sort of poisonous stew that people in the past had to eat because that’s all they had) where some of the crayons have not melted and the melted crayons have not completely mixed together. In that moment, this pan of melted crayons looks awesome.
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These Wackily Colourful Rainbow Bagels Are Breaking My Eyeballs
Video: The rainbow bagel looks like a Willy Wonka creation crossed with used Play-Doh set in a reality that I’m not quite prepared to live in. It exists at The Bagel Store in Brooklyn, New York and is topped with a smear cream cheese and sprinkles, made with cake mix and is something you can…
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Where The Different Colours Of Fireworks Actually Come From
If you want to scientifically impress your friends tonight (or look like a hoity toity smartypants), you can tell them what the colour of fireworks really mean. See that explosion of electric white? That’s white-hot metal flakes. Gorgeous red array? Strontium Carbonate. It’s all about the chemicals, baby.