He came up with the first thermometer and a pendulum clock and improved on the telescope, using a x20 magnification device to view the moon and stars, which got him into no end of trouble with the Inquisition.
From the phone that has changed phones forever, to futuristic cars, to a building made of water, to a remote-controlled dragonfly — a dazzling display of ingenuity
Galileo Galilei (1564-1642)