1948 – IBM dedicated its “SSEC” in New York City. The Selective Sequence Electronic Calculator handled both data and instructions using electronic circuits made with 13,500 vacuum tubes and 21,000 relays.
1967 – The first US astronauts died in the line of duty. Gus Grissom, Ed White and Roger Chaffee were killed on the launch pad when a flash fire engulfed their command module during testing for the first Apollo-Saturn mission.
2006 – Western Union discontinued its Telegram and Commercial Messaging services. The company still handles money transfers.
2010 – Apple announced the iPad, a tablet computer running the same operating system as the iPhone.
2016 – Google’s DeepMind researchers published a paper in Nature announcing that their machine intelligence AlphaGo had defeated Fan Hui, a three-time European Go champion. The computer won five games of Go without a defeat.
Like Tech History? Get the illustrated Year in Tech History at Merritt’s Books site.