Have any of you ever looked through “night vision goggles.”

[Or, if you can get a pair to show to the congregation . . . . ]

Do any of you know what these are? Night vision goggles.

Used by the military, and in all good spy novels, the special light source used in “night vision” technology allows you to see someone as much as 200 yards away on a moonless night. Night vision goggles project out either a near infra-red light source, or ultraviolet radiation, to detect the presence of individual photons. The “energy” of photoelectrons becomes “light” as electrons strike a fluorescent screen in the goggles. This allows the wearer to “see” figures and movements in pitch blackness. The goggles transform blind blundering into stealthy reconnaissance. They take the “bump” out of the night.

Unl…