A Concentrated Beam of Particles and Photons Could Push Us to Proxima Centauri

Getting to Proxima Centauri b will take a lot of new technologies, but there are increasingly exciting reasons to do so. Both public and private efforts have started seriously looking at ways to make it happen, but so far, there has been one significant roadblock to the journey – propulsion. To solve that problem, Christopher Limbach, now a professor at the University of Michigan, received a grant from NASA’s Institute for Advanced Concepts (NIAC) to work on a novel type of beamed propulsion that utilizes both a particle beam and a laser to overcome that technology’s biggest weakness.

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