In its last hurrah before being shut down, a 40-year-old fusion reactor in the UK set a new world record for energy output — bringing the decades-old promise of clean, limitless energy one step closer to reality. Scientists at the Joint European Torus (JET) — a huge, donut-shaped machine known as a tokamak — produced a record 69 megajoules of fusion energy for five seconds, surpassing the previous record of 59 megajoules set in 2021. This equates to a power output of 12.5 megawatts, enough to power around 12,000 households. The UK’s nuclear minister Andrew Bowie called the latest breakthrough…
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