High-Quality Resonator. Inductor. “It’s extremely difficult to design a supply that actually recover almost the entire signal energy … Engineering-wise, this is almost the entire problem!” MPF Approved for Public Release SAND2018-12875 "Reversible Computing as a Path towards Unbounded Energy ...." 8 Nov. 2018, https://cfwebprod.sandia.gov/cfdocs/CompResearch/docs/ICRC18-talk-v3.pdf