As if nuclear armageddon down here on Earth wasn't enough to worry about...China could soon be readying particle beams from outer space.

Particle beams — streams of high-speed atoms or subatomic particles — have long been the holy grail of space warfare. The concept sounds simple: zap an enemy satellite with a beam so intense it melts or fries the target. Reality, however, has been less cooperative — mainly because of power, according to the South China Morning Post.

Building such a weapon means delivering megawatts of energy with microsecond precision, a combo engineers usually describe as “pick one.” Systems that are powerful are clumsy; systems that are precise can’t handle the juice.

But Chinese scientists now claim they’ve solved this decades-old physics headache. In a study published in Advanced Small Satellite Technology, a team led by Su Zhenhua of DFH Satellite Co. unveiled a prototype power system that reportedly hits both marks — high power and pinpoint control.

Their device pushed out 2.6 megawatts of pulsed power while keeping synchronization accuracy to 0.63 microseconds. “Existing pulsed power supplies typically have an output power of less than 1 megawatt and synchronisation control accuracy worse than 1 millisecond,” Su’s team wrote.

SCMP writes that the researchers said more juice was needed because “devices like electromagnetic jamming warfare simulators and particle beam systems demand extremely high instantaneous power.” The prototype, they added, “solves the problems of insufficient power supply and degraded control accuracy.”

Instead of relying on miracle materials, the team redesigned the entire system — from solar-fed capacitors to ultra-precise discharge control — ensuring all 36 power modules fire within 630 nanoseconds of each other. The result: 2.59 MW of clean, square-wave pulses, perfect for particle accelerators, lasers, or any other “definitely not weapon” applications.

While the paper highlights peaceful uses — laser comms, ion thrusters, radar — the timing is hard to miss. With the U.S. expanding its Starlink and Starshield constellations, China’s interest in space-based power systems seems less about better weather forecasting and more about keeping pace in the orbital arms race.

Whether the system can survive space’s brutal environment — radiation, vacuum, temperature swings — is still unclear. At least for now, China’s latest power breakthrough may be less “Death Star ready” and more “promising PowerPoint slide.”