Breakthrough Starshot takes its first step toward interstellar travel
The first big step to making humans an interstellar species is underway. Breakthrough Starshot wants to accelerate small spacecraft to a good fraction of the speed of light to send probes to a nearby star in a human lifetime. Last week, the company announced that the first tests of its spacecraft had taken place when a few single-circuit board Sprite crafts hitched a ride on a satellite launch.
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