Explore December 19 and 20 science history with students: the Altair 8800 and the rise of personal computing, Albert A. Michelson's precision measurements of light, and the first electricity generated by a nuclear reactor in 1951. Connect computer science, waves, experimental design and nuclear energy with practical classroom discussion ideas. Discover 132 STEM events in the December Science on This Day interactive HTML, slides, spreadsheet and printable PDF set.