For that matter they have not sent travelers to us.
FTL travel implies a mastery over spacetime itself. After that, a practical time machine is a matter of engineering details.
We can be sure that we never get there because we are not flooded with tourists from the future. QED.
bluGill@fedia.io 4 days ago
toynbee@lemmy.world 4 days ago
As a kid, I once heard the theory that aliens are actually time travelers fucking with people.
Tollana1234567@lemmy.today 4 days ago
i wouldnt call it mastery, implies you can control spacetime as well, just finding ways around the speed of light limitations.
JcbAzPx@lemmy.world 4 days ago
That depends on the type of FTL we use. Some just require infinite energy or exotic particles to work. No mastery of spacetime needed.
Windex007@lemmy.world 4 days ago
I love the hubris of this argument. It’s the identical construction of guys who say a woman must be a lesbian if they’re not into them.