Nuclear-Fusion Breakthrough: How Long Until Limitless Clean Energy?

The U.S. Department of Energy has announced a major breakthrough in nuclear fusion, saying scientists achieved a fusion reaction that generated more energy than it consumed. The development could bring the world a step closer to potentially limitless amounts of clean energy. But how soon is that goal really achievable? WSJ science reporter Aylin Woodward joins host Zoe Thomas to talk through the research and the possibilities. Learn more about your ad choices. Visit megaphone.fm/adchoices