New explanation for sudden collapses of heat in plasmas can help create fusion energy on Earth

Scientists seeking to bring the fusion that powers the sun and stars to Earth must deal with sawtooth instabilities—up-and-down swings in the central pressure and temperature of the plasma that fuels fusion reactions, similar to the serrated blades of a saw. If these swings are large enough, they can lead to the sudden collapse of the entire discharge of the plasma. Such swings were first observed in 1974 and have so far eluded a widely accepted theory that explains experimental observations.

from Phys.org - latest science and technology news stories https://ift.tt/2Jqv7Cb

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