The largest giant squid recorded by scientists measured 43 feet (12 meters) long, according to Smithsonian's National Museum of Natural History. Faked photo of a giant squid supposedly found In California. An image of a monster 160-foot-long (49-meter-long) giant squid made the social media rounds yesterday, but fear notâit's a hoax.
luminescence - light not due to incandescence; occurs at low temperatures. light, visible light, visible radiation - (physics) electromagnetic radiation that can produce a visual sensation; the light was filtered through a soft glass window.
Used to compare two light sources to one another. See Lux definition below. Technical Definition: The lumen (symbolized lm) is the International Unit of luminous flux. A unit of luminous flux equal to the light emitted in a unit solid angle by a uniform point source of one candela (see definition below) intensity.