12-year-old boy built a fusion reactor in his playroom

1 March 2019
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A 12-year-old kid from Tennessee created a nuclear reaction in his family’s playroom in January 2018, according to The Guardian. That makes him the youngest known person to have done so.

The Open Source Fusor Research Consortium (a group of nuclear hobbyists) recognized Jackson Oswalt’s achievement on Feb. 2, according to a report by commercial appeal, a USA Today affiliate. Oswalt, now 14, built a machine that generates a plasma in which nuclear fusion occurs — not splitting an atom, but rather crushing atoms together to form heavier atoms.

So to answer the obvious question: Yes, nuclear reactions are things you can do at home. Live Science has reported previously on nuclear startups that have gotten going as hobbyist projects. And there are more people who make fusion purely for the fun of it.

And these efforts almost always involve fusion, rather than fission (splitting atoms). Fission requires very heavy, tightly controlled substances like uranium. Fusion typically involves the ultralight isotopes of hydrogen, such as deuterium, which are easier to acquire. When two light atoms fuse, the resulting “heavier atom” is a bit lighter than the two that formed it, resulting in extra mass that gets released as energy.

Achieving fusion at home doesn’t mean that Oswalt (or any other hobbyist) has built a nuclear reactor that could actually generate more power than it takes to turn on. That’s a trick no one, not even the Department of Energy, has yet managed to accomplish.

And hobbyist reactors like this, while they do produce some radiation, produce fusion on far too tiny a scale to be seriously dangerous to anyone not in their immediate vicinity. Oswalt’s device couldn’t be repurposed as a bomb. That said, Fusor.net’s FAQ does include warnings that improperly shielded fusion reactions can be “deadly.”

Source: livescience.com

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