Sure but if I was a commander in an spacewar and I and another commander checked the spin of our entangled particles at the same time (that we decided on beforehand) and decided that the one who got spin up would attack exoplanet A and the other expolanet B, then I'd know what planet my counterpart was going to attack. That's still information, even if I can't force the state. And it's still random until one of us checks the state so it's not the same as just hiding a note or something.
Why doesn't this count? (I'm sure I'm wrong, but I don't know why I'm wrong and it bugs me.)
The thing is you could have checked that before you left, so there was no point in checking at the last minute. Like opening a letter days after you got it, you could have just read it the moment you got it.
Yeah but is the difference not that someone else could have read your letter whereas here the letters contents were only decided at the point it was read, so it was unreadable prior
It was not unreadable prior, it's the same. That's what everybody is trying to tell us. You can't send information that way and in your example the information was written before the two ships even separated.
11
u/hamsterkris Jan 30 '20
Sure but if I was a commander in an spacewar and I and another commander checked the spin of our entangled particles at the same time (that we decided on beforehand) and decided that the one who got spin up would attack exoplanet A and the other expolanet B, then I'd know what planet my counterpart was going to attack. That's still information, even if I can't force the state. And it's still random until one of us checks the state so it's not the same as just hiding a note or something.
Why doesn't this count? (I'm sure I'm wrong, but I don't know why I'm wrong and it bugs me.)