Quote:
Originally Posted by aimike
https://www.space.com/35996-fast-rad...pacecraft.html
FRBs are brief but incredibly powerful phenomena; the milliseconds-long emissions are energetically comparable to the total output of our sun over a century.
Bizarre flashes of cosmic light may actually be generated by advanced alien civilizations, as a way to accelerate interstellar spacecraft to tremendous speeds, a new study suggests.
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That's a cool idea... but for it to be efficient, shouldn't the burst of lights be focused? If the light is going everywhere so is its energy, no?