Energy Transition

Scientists just got closer to making nuclear fusion work

Nuclear fusion is the holy grail of unlimited, zero-carbon energy. Image: REUTERS/Jean-Paul Pelissier

Rosamond Hutt

Senior Writer, Formative Content

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The tokamak is an experimental machine designed to harness the energy of fusion. Image: ITER.org
Fusion occurs when atoms are heated to very high temperatures, causing them to collide at high velocity and fuse together. When two light nuclei collide to form a heavier nucleus the process releases a large amount of energy. Image: General Fusion
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