By Devin Powell-
Before NASA even existed, science-fiction writer Arthur C. Clarke in 1945 imagined spacecraft that could send messages back to Earth using beams of light. After decades of setbacks and dead ends, the technology to do this is finally coming of age.
Two spacecraft set for launch in the coming weeks will carry lasers that allow data to be transferred faster than ever before.
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Lasers to allow for easier and larger amounts of data transfer from Earth to Space
