Re: Enterprise-D's Spotlights (TNG "Pegasus")
Nothing beats the Mk1 Eyeball. Perhaps they lit up the rockface so people near windows could take a gander.
Yeah as for the light source, I'd say low grade holographic (light only) projectors.
Laws only work if everyone is honest, no piece of paper is going to stop a truly deranged person from doing something atrocious.