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TIL Robotic assisted surgeries have been done for more than 10 years. The Dr sits at a station in the operating room with a 3-D display and uses joystick-like controls to manipulate robotic arms, but does not physically touch the patient to perform the surgery.

R7Vd1 TIL during the period between 1964 and 1973, US dropped 260 million bombs in Laos, a country smaller than Michigan. The number of bombs dropped there is larger than bombs dropped on Europe during the whole of World War II.
GY7xE TIL that Jaws had lots of production woes and was nicknamed "Flaws". When shooting the final scene of the film. The boat began to sink and in a panic, Spielberg told the crew to get the actors off the boat, to which the sound engineer replied: "F*ck the actors. Save the sound department!"
ZDwo TIL in 1945, a radar engineer named Percy Spencer was working at Ratheon. He stepped in front of a magnetron, a device that powers radars. He noticed a chocolate bar in his pocket had melted. Later that year, he filed a patent for the first microwave oven.
4DZo TIL that one reason Jehovah’s Witnesses don’t celebrate birthdays because the only two accounts of birthday parties in the Bible ended in murder.
m1ODM TIL that from the late 1920s to the early 1970s, many U.S. drug stores, grocery stores, and department stores had self-service tube testers in which customers could test vacuum tubes that were pulled from their malfunctioning electronic devices.