createdigital.org.au

X0P5E TIL Two Australians invented the electric drill in 1889! Arthur Arnot and William Brain of Melbourne, Australia. Then in 1895 the first portable drill was made by two German brothers.
l7K81 TIL in 1943 engineer Richard James accidentally knocked over a tension spring - inspiring him to create the Slinky. By 2000, more than 250 million had been sold.
neOwG TIL that the Standard Kilogram, a cylinder of platinum that used to be the definition of a kilogram, has been mysteriously getting lighter