Did you read what TangoTrotFox wrote? At no point did he invoke any faster-than-light travel. He's just saying that by traveling at relativistic speeds (e.g. 0.99c <= v < 1c), time dilation / length contraction work in your favor. You can travel to systems thousands of light years away from Earth in only a few years (as perceived by you, on your spaceship), all while traveling a bit slower than light itself. Everyone left on Earth will still perceive you taking >1000 years to arrive.

I did, but it was a long post on mobile so I misunderstood their intent. I though that TangoTrotFox was disagreeing with tachyoff, when in fact he was just providing a better explanation.

Except TangoTrotFox's original statement was:

> The speed of light is not a speed limit on effective travel, but on observation.

Which is absolutely factually false.

No, it's correct - but speaking of physics on pop forums is pointless, because of the Dunning Kruger effect.

There tend to be three groups of people:

- Those that accept things at face value, which is quite silly. What I'm saying should challenge all intuitive notions of reality making open acceptance simply bizarre.

- Those that reject things at face value. No better than the first and generally driven by an extremely superficial understanding of physics. As Feynman phrased it, people sipping martinis at a cocktail party and discussing relativity, "Ah yes.. how insightful. Though I think some things may indeed be inherently correct. Mmm..."

- And those with a strong physics background already, to whom you provide no additional value to anyhow.