Typically based on a particular money market rate or the average interest rate in a particular trading market, different index rates are used for each type of loan. In the United States, for example, the prime rate is the most common factor used to determine interest rates for variable rate loans.
Edward Teller (1908-2003) was a Hungarian-born American theoretical physicist. Teller, along with Leo Szilard and Eugene Wigner, helped urge President Roosevelt to develop an atomic bomb program in the United States. Teller joined the Los Alamos Laboratory in 1943 as group leader in the Theoretical Physics Division.
The design team for TRIGA, which included Edward Teller, was led by the physicist Freeman Dyson. Dyson says it may be one of the few reactors that ever made a profit for the company that made it, and that many research hospitals have them. Seventy exist worldwide.