Yeah, that's a clumsy sentence. He means 3 years. In this article, he estimates commercial viability by 2019: http://nextbigfuture.com/2014/07/helion-energy-

Yeah, that's a clumsy sentence. He means 3 years. In this article, he estimates commercial viability by 2019: http://nextbigfuture.com/2014/07/helion-energy-plans-to-enable.html http://nextbigfuture.com/2014/07/helion-energy-plans-to-enab...