Science Challenge #12 "THE STUMPER!" In 1969 the U.S. Department of Defense commissioned an experimental, wide area network for research into computer networking. The network, not used by the military, had its first node at UCLA. This network, the precursor to today's Internet ceased to exist in 1990. It is normally referred to by what acronym ? Answer: ARPANET (Advanced Research Projects Agency NET) Correct answer received from: Chris Grizzel, Kathi Burroughs, Shauna, Jason Coffer, Peter and Merridy Hance, Jennifer LeBlanc and Geoff Anderson, Nathan Groff