C J Campbell wrote:

...... but under the right circumstances these lights have induced seizures
in persons not known to have had epilepsy.

And if that person is a pilot and has to explain things at his next medical, he's
not going to like you very much. How 'bout a simple arrow or sign pointing the
way?

George Patterson
Great discoveries are not announced with "Eureka!". What's usually said is
"Hummmmm... That's interesting...."