Amazing Video Shows Inside Fusion Reactor, When it produces more energy than the Sun

Scientists were excited to announce a major breakthrough in fusion energy research few days ago.

The UK-based Joint European Torus (JET) lab smashed its own 25-year-old record, producing 59 megajoules of energy over five seconds, roughly the equivalent of 30 pounds of TNT.

And thanks to a camera mounted inside the reactor, now we get to watch an incredible display of glowing plasma whipping around the interior of the donut-shaped chamber.

Hot in Herre

Conditions inside the reactor are extreme to say the least, with temperatures reaching in excess of 100 million degrees Celsius, ten times the core of the Sun. The plasma glow is created by isotopes of deuterium and tritium fusing together to form helium, essentially the same process that powers stars like our Sun.

The goal of achieving fusion — a virtually limitless supply of truly green and safe energy — is likely still many years out. The reaction may have lasted for a record five seconds, but the amount of energy needed to get the reaction going still far exceeds the amount that was gained.

But that doesn’t mean this week’s breakthrough wasn’t a major step towards that goal.

“It is really, really impressive,” fusion physicist Josefine Proll at Eindhoven University of Technology in the Netherlands, who was not involved in the latest demo, told Nature, adding that five seconds is a “big deal.”

READ MORE: Major breakthrough on nuclear fusion energy [The BBC]

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