What is nuclear fusion, and why does it matter?

Nuclear fusion is the reaction that powers stars like our Sun.

you might read more about engineers quest for fusion energyhere.

A visualization of nuclear fusion occurring in a tokamak.

Credit: 2024 EPFL / Laboratory for Experimental Museology (EM+)

Nuclear fusion is done in different ways; some methods involve lasers while others rely on superheated plasma.

Thelargest tokamak in the worldis currently being constructed in the south of France.

What are these visualizations and what do they show?

A visualization of nuclear fusion inside a tokamak.

A visualization of nuclear fusion inside a tokamak. © 2024 EPFL / Laboratory for Experimental Museology (EM+) – CC-BY-SA 4.0

Electrons are represented in red, protons are green, and the tokamaks magnetic field is in blue.

Even physicists have a hard time sorting everything out.

The future of fusion energy is brightand made literally brighter by these illuminating images of the tokamaks inner workings.

An illustration of the EAST tokamak.

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A man takes a picture of a module being assembled at the international nuclear fusion project

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Cillian Murphy as Robert Oppenheimer, looking perplex next to a jar of mayonnaise.

Illustration: Oak Ridge National Laboratory

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