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A 'Halo Drive' Could Accelerate Interstellar Spacecraft to Close to the Speed of Light

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Credit: X-Ray: NASA/CXC/University of Amsterdam/N. Rea et al.; Optical: DSS

Back in 2016, the physicist Stephen Hawking and the billionaire Yuri Milner unveiled a plan to travel to the stars. The so-called Breakthrough Starshot project is a $100 million program to develop and demonstrate the technologies necessary to visit a nearby star system.

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