Heterodox
“Using the Joint European Torus (JET) — a huge, donut-shaped machine known as a tokamak — the scientists sustained a record 69 megajoules of fusion energy for five seconds, using just 0.2 milligrams of fuel. That’s enough to power roughly 12,000 households for the same amount of time.”Progress, yes, but incremental.“And myriad challenges remain. Khan points out that the team used more energy to carry out the experiment than it generated, for...
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