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.
Illuminance is the amount of light striking a surface â also known as incident light, where the âincidentâ is the beam of light actually landing on the surface. Lumens are a measure of the quantity of light, referred to as luminous flux or just flux, emitted by a light source.