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Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet.It has a dominant wavelength of approximately 625–740 nanometres. [1]
Realistic humanoid automata were built by craftsman from many civilizations, including Yan Shi, [20] Hero of Alexandria, [21] Al-Jazari, [22] Haroun al-Rashid, [23] Jacques de Vaucanson, [24] [25] Leonardo Torres y Quevedo, [26] Pierre Jaquet-Droz and Wolfgang von Kempelen. [27] [28] The oldest known automata were the sacred statues of ancient ...
2020 Western United States wildfire season. Satellite image of the smoke from the wildfires burning in California and Oregon on September 9, 2020. Date (s) July 24, 2020(2020-07-24) – December 31, 2020(2020-12-31) Location. Western United States. Statistics [ 3 ] Total fires.
On May 25, 1979, American Airlines Flight 191, a McDonnell Douglas DC-10 on a Memorial Day weekend flight to Los Angeles International Airport, had its left engine detach while taking off from runway 32R, then stalled and crashed into a field some 4,600 feet (1,400 m) away. 273 died, including two on the ground, in the deadliest single-aircraft ...
Current status. Active. ASN. 46489. Twitch is an American video live-streaming service that focuses on video game live streaming, including broadcasts of esports competitions, in addition to offering music broadcasts, creative content, and "in real life " streams. Twitch is operated by Twitch Interactive, a subsidiary of Amazon. [ 4]
Some online vendors of sodium nitrite have been prosecuted for assisting suicide. [ 40 ] [ 41 ] Furthermore, legislation has been introduced in the United States with the aim of deeming sodium nitrite products with a sodium nitrite concentration of greater than 10% by volume to be banned consumer products under the Consumer Product Safety Act ...
National Jukebox, launched in 2011, provides streaming free online access to more than 10,000 out-of-print music and spoken-word recordings. [56] BARD was started in 2013; it is a digital, talking books mobile app for braille and audio reading downloads, in partnership with the library's National Library Service for the Blind and Print Disabled.
Integer properties. Twenty is a pronic number, as it is the product of consecutive integers, namely 4 and 5. [ 3] It is also the second pronic sum number (or pronic pyramid) after 2, being the sum of the first three pronic numbers: 2 + 6 + 12. It is the third composite number to be the product of a squared prime and a prime (and also the second ...