the middle one has a negative refractive index
how disturbing!
( Gobfrey Shrdlu put his plans for world domination into effect on, Fri 21 Dec 2007, 15:23, archived)

The whole point of Pink Floyd
Is to expand your mind beyond standard physics, maaaaaan.
(T.A.F.K.A. doctorsax http://www.badphorm.co.uk, Fri 21 Dec 2007, 15:27, archived)

I want to go to Laser Floyd.
But I don't know how.
( Captain Wow currently being a cunt in Infamous, Fri 21 Dec 2007, 15:28, archived)

true
and the extension of the prism motif if you unfold the album sleeve does include such a prism :)

( Gobfrey Shrdlu put his plans for world domination into effect on, Fri 21 Dec 2007, 15:37, archived)