Template:Did you know
...that a dichroic prism splits light into two beams of different color, or wavelengths?
...that image intensifiers, which are similar to night-vision, were invented by Vladimir Zworykin, a World War II-era RCA employee?
...that the journalistic practice of muckraking began at McClure's magazine?
...that Pieter de Hooch, a genre painter from the Dutch Golden Age, died in an insane asylum?