alt Hacker NewsAs you get going further and faster, this energy redshifts further and further making it less and less useful. Also there’s of course the problem of focusing a laser with that amount of energy tightly enough on an object increasingly far away.
As you get going further and faster, this energy redshifts further and further making it less and less useful. Also there’s of course the problem of focusing a laser with that amount of energy tightly enough on an object increasingly far away.
And crucially ensuring that beam continues to run for billions of years. a few decades may pass for you, but not for the laser that's pushing you