Explore December 16 science history with middle and high school students: the 1947 point-contact transistor, Arthur C. Clarke’s vision for satellite communications, and George Biddell Airy’s contributions to astronomy, optics and geophysics. Includes classroom discussion ideas and links to free and paid science resources. Discover 132 STEM events in the December Science on This Day interactive HTML, slides, spreadsheet and printable PDF set.