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How Lasers Recreated a Cosmic Shockwave — And Solved a 40-Year Mystery of Particle Acceleration

In a dramatic leap for astrophysics, Chinese researchers have recreated a key cosmic process in the lab: the acceleration of ions by powerful collisionless shocks.

By using intense lasers to simulate space-like conditions, they captured high-speed ion beams and confirmed the decades-old theory that shock drift acceleration, not shock surfing, is the main driver behind these energy gains. This discovery connects lab physics with deep-space phenomena like cosmic rays and supernova remnants, paving the way for breakthroughs in both fusion energy and space science.

Breakthrough in particle acceleration observed in lab.

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