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Transport & Machines
10 verified entries, each with its sources and the date we checked it.
How long was the first powered flight, by the Wright brothers in 1903?What color is an airplane's 'black box'?Why is the left side of a ship called 'port'?Who built the first gasoline-powered automobile, in 1885 to 1886?By how much did Ford's moving assembly line cut Model T chassis assembly time?What powered the world's first underground railway, opened in London in 1863?About how fast did Concorde cruise?What is a knot, and where did the word come from?At the 1900 Paris World's Fair, Rudolf Diesel's engine ran on what unusual fuel?Japan's first Shinkansen bullet train line opened just before which major event?