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    The first sunglasses were worn by Chinese judges in the form of smoke coloured quartz lenses, used to hide their eye expressions in court.

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Harry Houdini patented his Diver’s Suit

On the 1st March, 1921, Harry Houdini received a patent for his Diver’s Suit, designed to save the wearer from apparent danger.

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  • On 17th August, 1993, The Platform Steerable Skateboard was patented... Read more »
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