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.
A Lumen (or luminous flux, or Lm) is the total number of packets of light (or quantity of light output) produced by a light source. For example, a 100-watt incandescent lamp emits about 1300 lumens. Read more here. The lux (or lx) is a ratio of illumination (or lumens) over a distance: 1 lux = 1 lumen per square meter. For example, sunlight on average ranges from 40,000 to 120,000 lux, while an office ranges from 300-500 lux, with moonlight representing about 1 lux.