Conrad Farnsworth built a nuclear reactor in his dad’s garage. But when it came to making the International Science and Engineering Fair, there was a bit of a meltdown. He was disqualified from attending because he entered into one too many science fairs in the wrong order, news reports say. … Farnsworth is one of only 15 high-school students to ever achieve nuclear fusion, and the first person to do so in the state of Wyoming. …