Speed of light encryption
No.12179317 ViewReplyOriginalReport
Quoted By: >>12181509 >>12181524 >>12181744 >>12181955
>get an indestructible CD
>put it into a CD-ROM that spins it so that 0.5r part is spinning at 0.8c
>the outer rim of the CD should be 1.6c
>but that's impossible, cause it's faster than light and instead the outer rim spins at like 0.96c (didn't do the calculations)
>but since the outer rim is spinning slower than it should be, the middle part is advancing faster than the outer rim.
>so the CD actually winds in on itself in a spiral
>eventually the spiral becomes so thin that every molecule at distance r bound to a random molecule across the disc.
>burn data to the disc
>stop the CD-ROM. presumably the relativity weirdness stops so the molecules are normally ordered
>but the data is encrypted and the key is (v0, t) where v0 is the speed at the time of writing and t is the time taken to wind it into a spiral
Can this work?
>put it into a CD-ROM that spins it so that 0.5r part is spinning at 0.8c
>the outer rim of the CD should be 1.6c
>but that's impossible, cause it's faster than light and instead the outer rim spins at like 0.96c (didn't do the calculations)
>but since the outer rim is spinning slower than it should be, the middle part is advancing faster than the outer rim.
>so the CD actually winds in on itself in a spiral
>eventually the spiral becomes so thin that every molecule at distance r bound to a random molecule across the disc.
>burn data to the disc
>stop the CD-ROM. presumably the relativity weirdness stops so the molecules are normally ordered
>but the data is encrypted and the key is (v0, t) where v0 is the speed at the time of writing and t is the time taken to wind it into a spiral
Can this work?
