4 Comments TIL I learned that America had developed drone plane technology during WWI. The Kettering Bug was an experimental unmanned biplane, aerial drone torpedo, a forerunner of present-day cruise missiles. It was first tested 103-years-ago on October 2, 1918. by whatilearned October 2, 2021, 4:32 pm 12 Points Upvote Downvote
3 Comments TIL the forerunner of the modern bicycle was invented to overcome a horse shortage after a volcanic eruption caused widespread famine, leaving Europe’s horses to starve or be slaughtered for meat. by whatilearned August 13, 2021, 7:38 pm 12 Points Upvote Downvote