Posted by Centipede Nation Staff on May 10, 2019 5:10 am

Tiny spacecraft had its first test flight in April: Using traditional rockets, it would take 100,000 years to reach the closest star system, Alpha Centauri. But using Earth-based lasers to push a lightweight craft up to 20% the speed of light cuts the travel time to Alpha Centauri to only 20 years…

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