Ruby bindings with robots!

ruby-bindings.rb

def robot_internals
  arm = "mechanical hydraulics"
  return binding
end

binded = robot_internals

arm = "five fingers"
eval "puts arm" # five fingers
eval "puts arm", binded # mechanical hydraulics

eval "arm += ' and not enough'"
eval "puts arm" # five fingers and not enough
eval "puts arm", binded # mechanical hydraulics