[ExI] Time crystals?

[Mike Dougherty]

On Wed, May 1, 2013 at 3:47 AM, Anders Sandberg <anders at aleph.se> wrote:
> On 01/05/2013 06:29, Dan Ust wrote:
>
> http://www.wired.com/wiredscience/2013/04/time-crystals
>
> Mathematical artifact or real possibility?
>
>
> Doesn't seem to be that weird to me. Since time and space can be rotated
> into each other there should be temporal counterparts to spatial crystals.
> Of course, loads of people will say stupid things about perpetual motion in
> regards to the crystals, but these crystals can't do any work.
>
> It is a bit like how helium can be fluid at absolute zero: just because the
> temperature is zero doesn't mean there is no motion.

perpetual motion ... like looking at this:
http://www.anopticalillusion.com/wp-content/uploads/2013/03/Optical_Illusion_by_cybernation.jpg

"I've been looking at it for hours, it keeps moving with no visible
power source... mind=blown"  :)