Safety considerations

For years, some retail and restaurant chains in the United States
have been equipped with non-ionizing sources positioned to provide
floor coverage. They emit a directed modulated beam, tuned to
mimic and replace waveforms characteristic of those produced in
specific areas of the brain.
These were installed as safety devices, to defend the store against
armed robbery and defuse potential disturbances between customers
and staff. They have since been re-purposed to assure a consistent...

Safety considerations