History The Sodium Reactor Experiment July 15, 2020•By jonhendersonufo•1 min read The sodium reactor experiment was a proof of concept for a type of reactor that made use of liquid sodium as a coolant, instead of the more common water. Facebook Twitter LinkedInMore Share via: 0 0 0 More Post navigation PreviousUFO Sighting of the Day – July 13, 2020NextThe Biggest Explosions on Earth