SMRTR TechApr 22, 2026Interesting Engineering

World-first light propulsion ‘metajets’ could enable 20-year mission to Alpha Centauri

SMRTR summary

Scientists at Texas A&M University have developed "metajets" — tiny light-propelled devices that can move in three dimensions using laser beams alone, a world first. This breakthrough could eventually enable a spacecraft to reach Alpha Centauri in just 20 years, offering a more scalable alternative to traditional light propulsion.

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