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The gross weight was increased by 30,000 pounds (14,000 kg) to 450,000 pounds (200,000 kg). A new fire control system, the MD-9, was introduced on this model. [ 170 ] The belly of the aircraft was painted with anti-flash white paint, which was intended to reflect the thermal radiation of a nuclear detonation.
Mars is scarred by a number of impact craters: a total of 43,000 observed craters with a diameter of 5 kilometres (3.1 mi) or greater have been found. [98] The largest exposed crater is Hellas , which is 2,300 kilometres (1,400 mi) wide and 7,000 metres (23,000 ft) deep, and is a light albedo feature clearly visible from Earth.
Despite being heavily involved in political activity in 1945 and 1946, in those two years, Sinatra sang on 160 radio shows, recorded 36 times, and shot four films. By 1946, he was performing on stage up to 45 times a week, singing up to 100 songs daily, and earning up to $93,000 a week. [120] In 1946, Sinatra released "Oh!
Over a ten-day period, there were 23 checks in the book; a rate of 2.3 women per day. Chamberlain halved that number to be conservative and to correct for degrees of variation. He then multiplied that number by the number of days he had been alive and subtracted 15 years, giving him the 20,000 number. [221]
Each elevator could carry about 600 pounds (270 kg) (roughly the weight of two lions) 23 feet (7.0 m) up when powered by up to eight men. [4] In 1000, the Book of Secrets by Ibn Khalaf al-Muradi in Islamic Spain described the use of an elevator-like lifting device to raise a large battering ram to destroy a fortress.
Scientists and the sugar industry use degrees Brix (symbol °Bx), introduced by Adolf Brix, as units of measurement of the mass ratio of dissolved substance to water in a liquid. A 25 °Bx sucrose solution has 25 grams of sucrose per 100 grams of liquid; or, to put it another way, 25 grams of sucrose sugar and 75 grams of water exist in the 100 ...
A perfect number is a number where its factors add up to itself. So, the number 28 is considered to be a perfect number, because its factors of 1, 2, 4, 7, and 14 add together to equal 28. Perfect numbers are extremely rare, with there being only one number for each quantity of digits (one for single digits, double digits, triple digits ...