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.
Science Time: The lumen is the derived unit of luminous flux and is the measure of visible light emitted by a source. Luminous flux measures wavelengths visible to the human eye and are different to radiant flux (power) as this is a measure of all electromagnetic radiation emitted. A lux is one lumen per square meter.