Physicists Built This Arsenal of Plasma Guns, And They Think It Might Blast Fusion Power Wide Open | 10/22/2019 | Rafi Letzter - Staff Writer
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Generating endless energy with zero emissions by just slamming hydrogen atoms together has been somewhat of a pipe dream for decades. Now, scientists may be getting a tiny step closer to feasible fusion power, thanks to a futuristic experiment and dozens of plasma guns.

Eighteen of 36 plasma guns are in place on the machine that could make fusion power a reality. Those guns are the key components of Los Alamos National Laboratory's Plasma Liner Experiment (PLX), which uses a new approach to the problem. PLX, if it works, will combine two existing methods of slamming single-proton hydrogen atoms together to form two-proton helium atoms. That process generates enormous amounts of energy per speck of fuel, much more than splitting heavy atoms (fission) does. The hope is that the method pioneered in PLX will teach scientists how to create that energy efficiently enough to be worthwhile for real-world use.

Promise - Fusion - Tons - Energy - Time

The promise of fusion is that it produces tons of energy. Every time two hydrogen atoms merge into helium, a small portion of their matter converts into a whole lot of energy.

The problem of fusion is that no one's figured out how to generate that energy in a useful way.

Principles - Execution - Challenge - Plenty - Hydrogen-fusion

The principles are simple enough, but the execution is the challenge. Right now, there are plenty of hydrogen-fusion bombs in the world that can release all their energy in a flash and destroy themselves (and everything else around for miles). The occasional kid even manages to build a tiny, inefficient fusion reactor in their playroom. But existing fusion reactors suck up more energy than they create. No one's yet managed to create a controlled, sustained fusion reaction that spits out more energy than gets consumed by the machine creating and containing the reaction.

The first of the two methods PLX combines is called...
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