A Bar Owner Invented The Cash Register Because He Didn’t Trust His Bartenders (Cool Weird Awesome 649)

Today in 1879, a bar owner in Ohio received a patent for an invention that changed the way we buy and sell things: the cash register. He did it to thwart his bartenders, who he suspected of putting money meant for him in their own pockets. Plus: a professor in South Korea reveals one place from which you probably shouldn't give an online lecture.