Professional Work
Lerner received a BA in physics from Columbia University and started as a graduate student in physics at the University of Maryland, but left after a year due to his dissatisfaction with the mathematical rather than experimental approach there. He then pursued a career in popular science writing.
In 1984, he began studying plasma phenomena and laboratory fusion devices, performing experimental work on a machine called a dense plasma focus (DPF). Lerner received funding from NASA's Jet Propulsion Laboratory in 1994 and 2001 to explore whether the dense plasma focus could be an effective ion thruster to propel spacecraft. He believes that a dense plasma focus can also be used to produce useful aneutronic fusion energy. Lerner explained his "Focus Fusion" approach in a 2007 Google Tech Talk. On November 14, 2008, Lerner received funding for continued research, to test the scientific feasibility of Focus Fusion. On October 15, 2009, the DPF device "Focus Fusion-1" achieved its first pinch. On January 28th, 2011, LPP published initial results including experimental shots with considerably higher fusion yields than the historical DPF trend. In March, 2012, the company announced that it had achieved temperatures of 1.8 billion degrees, beating the old record of 1.1 billion that had survived since 1978.
Lerner is a critic of the Big Bang model and advocates an infinitely old Universe.
Lerner is also an active general science writer, estimating that he has had about 600 articles published. He has received journalism awards between 1984 and 1993 from the Aviation Space Writers Association. In 2006 he was a Visiting Scientist at the European Southern Observatory in Chile.
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