See http://en.wikipedia.org/wiki/Wireworld --- mentions Langton's ant! WFL On 5/22/15, Mike Stay <metaweta@gmail.com> wrote:
These guys used photolithography to make a specialized grating that works as a polarized beam splitter for 1550 nm light. It's built out of pixels 120nm on a side. It feels very much like wireworld, with pulses entering on one side, interfering with each other in the circuit in the middle, and exiting out one of two ports on the other side.
http://www.nature.com/nphoton/journal/vaop/ncurrent/full/nphoton.2015.80.htm...
-- Mike Stay - metaweta@gmail.com http://www.cs.auckland.ac.nz/~mike http://reperiendi.wordpress.com
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