OrlonKronsteen
Habitué
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Nice video. I only disagree that the best way to destroy a civilization is to bombard a planet with relativistic weapons. You target the stars, not the planets or you risk off world colonies surviving.
Another possibility is we are the most advanced civilization in this corner of the Galaxy and that's why we are not seeing anyone... or the others use technologies to communicate we have not developed yet. There are many better ways to communicate in long interstellar distances than radio, that mostly becomes noise after around 1 light year. Gravimetric wave, tachyon beans (if tachyons even exist.), etc.Here's another lecture by Kipping in which he argues (contrary to what he says in his other lecture, shared by @OrlonKronsteen) why we might be surrounded by alien civilizations.
Just fold their local area of space down to 2 dimensions. EZ kill.Nice video. I only disagree that the best way to destroy a civilization is to bombard a planet with relativistic weapons. You target the stars, not the planets or you risk off world colonies surviving.
Also it's mid-term holidays at the moment so I am brushing way up on my undergrad level physics despite only teaching child vape addicts. Got Feynman's lectures on lock and a 1920s book on calculus, a discipline which for me is entirely pointless but which I am steadily attempting to (re) master.hi, i am a physics teacher
I see what you did there...Just fold their local area of space down to 2 dimensions. EZ kill.
Just fold their local area of space down to 2 dimensions. EZ kill.