What is the current frontier of plasma physics research?

The answer

Plasma physics research spans fusion energy, astrophysics, and industrial applications. Tokamak fusion reactors like ITER, under construction in southern France with a projected cost of $22 billion, aim to demonstrate sustained plasma confinement at 150 million degrees Celsius by the early 2030s. China's EAST tokamak held plasma at 70 million degrees for 1,056 seconds in 2023, a duration record. Compact stellarators like Germany's Wendelstein 7-X achieved record plasma conditions in 2023. Private fusion companies including Commonwealth Fusion Systems, TAE Technologies, and Helion Energy raised billions in investment. Beyond fusion, atmospheric pressure plasma jets are used for wound disinfection, and plasma processing is essential in manufacturing every modern semiconductor chip through plasma etching and deposition techniques.