The 747-400 passenger version can accommodate 416 passengers in a typical three-class layout, 524 passengers in a typical two-class layout, or 660 passengers in a high density one-class configuration.
Who invented safety elevator?
Elisha Otis. Elisha Graves Otis (August 3, 1811 – April 8, 1861) was an American industrialist, founder of the Otis Elevator Company, and inventor of a safety device that prevents elevators from falling if the hoisting cable fails.
Who has won the most Academy Awards?
Walt Disney holds the world record for the most Academy Awards won by one person, he has won twenty statuettes, and twelve other plaques and certificates
Do octopuses have three hearts?
Octopuses have three hearts. Two branchial hearts pump blood through each of the two gills, while the third is a systemic heart that pumps blood through the body. Octopus blood contains the copper-rich protein hemocyanin for transporting oxygen.
How much does an average car weigh in tons?
The average new car or light-duty truck sold in the 2003 model year tipped the scales at 4,021 pounds, breaking the two-ton barrier for the first time since the mid-1970’s, according to a report released by the Environmental Protection Agency last week.
What is the only mammal that can’t jump?
Elephants are the only land mammals that cannot jump. Elephants are the only land mammals that cannot jump. Unlike all other mammals on earth, Elephants do not have kneecaps. Therefore, they are unable to bend their legs and acquire the needed propulsion to leave the ground.
Who first came up with the idea for emojis?
Russian author Vladimir Nobokav, best known for his novel Lolita, first came up with the concept for a smiley face emoticon in 1969.
How many bones does a horse have?
Generally, the horse has 205 bones (54 vertebral column, 36 ribs, 1 sternum, 34 skull, 40 front legs, 40 hindlegs). The number of tail coccygeal vertebrae is usually 18 but can also vary.