text: During 2006 and 2007, Bussard sought the large-scale funding necessary to design and construct a full-scale Polywell fusion power plant. His fusor design is feasible enough, he asserted, to render unnecessary the construction of larger and larger test models still too small to achieve break-even. Also, the scaling of power with size goes as the seventh power of the machine radius, while the gain scales as the fifth power, so there is little incentive to build half-scale systems; one might as well build the real thing.
  On March 29, 2006, Bussard claimed on the fusor.net internet forum that EMC² had developed an inertial electrostatic confinement fusion process that was 100,000 times more efficient than previous designs, but that the US Navy budget line item that supported the work was zero-funded in FY2006.
  Bussard provided more details of his breakthrough and the circumstances surrounding the end of his Navy funding in a letter to the James Randi Educational Foundation internet forum on June 23.
  From October 2, 2006, to October 6, 2006, Bussard presented an informal overview of the previous decade of his work at the 57th International Astronautical Congress. This was the first publication of this work in 11 years, as the U.S. Navy had put an embargo on publications of the research, in 1994.
  Bussard presented further details of his IEC fusion research at a Google Tech Talk on November 9, 2006, of which a video was widely circulated.
  Bussard presented more of his thoughts on the potential world impact of fusion power at a Yahoo! Tech Talk on April 10, 2007.
  (The video is only available internally for Yahoo employees.) He also spoke on the internet talk radio show The Space Show, Broadcast 709, on May 7, 2007.
  He founded a non-profit organization to solicit tax-deductible donations to restart the work in 2007, EMC2 Fusion Development Corporation.