NASA uses laser to beam Mona Lisa to the Moon

The Mona Lisa image, before being cleaned up by Reed-Solomon coding, and after.Credit: Xiaoli Sun / NASA Goddard
The Mona Lisa image, before being cleaned up by Reed-Solomon coding, and after.
Credit: Xiaoli Sun / NASA Goddard

Using lasers to communicate at planetary distances is something that may sound like sci-fi, but it is a real technology being developed by NASA as a means of communicating with spacecraft faster and more efficiently than can be done now.

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