PBS Space Time
Could LIGO Find Massive Alien Spaceships?
Could LIGO find alien spacecraft accelerating to near light speed?
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PBS Space Time
Will Wormholes Allow Fast Interstellar Travel?
When do we get to wormhole ourselves out of here?
PBS Space Time
The Impossibility of Perpetual Motion Machines
Perhaps the most persistent nonsense in physics: the perpetual motion machine.
