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TIL The color purple is a non-spectral color. Meaning it is always a combination of two different wavelengths of electromagnetic radiation.

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Jxak TIL that an English inventor named Maurice Ward (1933-2011) invented a thermal shielding material called Starlite which was able to withstand extreme heat (10000 degrees C), but never revealed its composition in fear of reverse engineering and losing control of rights to the material.
QJAGa TIL that the web security firm Cloudflare generates their encryption codes by taking videos of lava lamps' unpredictable movements and converting the randomness into a virtually unhackable code.
x64xg TIL The Bacterial Flagellum is a naturally occurring motor that spins up to 100,000 rpm with nearly 100% efficiency and can reverse its rotational direction in milliseconds
9Y0nB TIL The Remains Of Broad Street Station
R5w8j TIL: Elephants have the longest gestation period for a mammal (Asian elephants: 18-22 months, African bush elephants: 22 months) and won’t give birth for another 4-years.