Amidst the frenzied investment in fusion and the race to get a commercial reactor on the grid by the 2030s, one under-the-radar fusion company has been making money for years. That’s Shine Technologies, which has been operating in some form or another since 2005, making neutrons for materials testing and nuclear isotopes for medical imaging, all while working toward an eventual energy-generating reactor of its own. “I think we can moonshot ourselves to net energy,” Greg Piefer, founder ...