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TIL - In 1990, BBC’s Tomorrow’s World featured a white, sticky coating with astonishing heat-resisting properties, Starlite. In a demonstration, a raw egg painted with the stuff stayed raw in the heat of a blowtorch. The inventor died in 2011, having failed to strike a deal with any manufacturer.

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wL8do TIL there is a Jewish community in Belmonte, Portugal that survived in hiding for centuries. They opened their current synagogue in 1996.
mxDpM TIL that the writers if Airplane! bought the rights to Zero Hour! and that the propeller sound the jet engines make throughout the movie were sampled directly from Zero Hour!
KbNG TIL that marijuana is called ‘pot’ due to it being derived from the Spanish word 'potaguaya’, which is a wine or brandy that has had marijuana buds steeped in it
Oo8jL TIL that a British soldier whose ship was sunk by a U-boat survived for 70 days at sea. After being rescued, he was sent back to England from the Bahamas on a cargo ship. It was hit by 2 torpedoes from a U-Boat as they were approaching the UK. There were no survivors.
78wGM TIL that more than half of all light mail in Denmark is delivered by bike. Due to the general city infrastructure, bikes are by far the easiest and quickest way to deliver letters in Denmark