DescriptionThermionic conversion — direct conversion of heat to electricity took a step closer to practical reality when this test was concluded at Babcock & Wilcox's Lynchburg Pool Reactor. The compact unit silently generated an average of 135 watts of power for over 300 hours straight, culminating an 18-month research and program. Photo #1: Babcock & Wilcox Company (U.S.A.) Taken at Company's Nuclear Development Center, Lynchburg, Virginia