From: Eliezer S. Yudkowsky (sentience@pobox.com)
Date: Sat May 11 2002 - 08:41:48 MDT
scerir wrote:
>
> Shih et al. performed a different experiment, this way.
>
>
> |> >
> | source of | >
> <---|<------ two entangled ------->| > >
> | ph.1 photons ph.2 | >
> |> >
> D S
>
> ph.1 = photon 1
> ph.2 = photon 2
> D = a double slit
> S = a screen
>
> Photon(s) 1 just passes through a double slit D, that's all.
> Photon(s) 2 reaches the screen S where *it* (which did not
> cross a double-slit!) draw a weird interference pattern.
> If you remove the D from the first beam, the interference
> pattern on S vanishes.
I don't get it. Is there a good reason why this is not an interstellar
ansible in fee simple? Put the source at the midpoint of Centauri and
Earth, put D on Earth, put S on Centauri. Switch D on and off and S goes
from patterned to unpatterned. Dot dot dash dot...
-- -- -- -- --
Eliezer S. Yudkowsky http://singinst.org/
Research Fellow, Singularity Institute for Artificial Intelligence
This archive was generated by hypermail 2.1.5 : Sat Nov 02 2002 - 09:13:59 MST