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The operation consisted of 29 explosions, of which only two did not produce any nuclear yield.Twenty-one laboratories and government agencies were involved. While most Operation Plumbbob tests contributed to the development of warheads for intercontinental and intermediate range missiles, they also tested air defense and anti-submarine warheads with smaller yields.
On 27 October 1991, Mark Drela set the world-record speed with Decavitator of 18.5 knots (21.3 mph; 34.3 km/h) over a 100-meter race course on the Charles River in Boston, Massachusetts. In the spring of 1993 the Decavitator team was awarded the DuPont prize for the team with the fastest speed on record as of 31 December 1992.
The following is a list of speed records for various types of vehicles.This list only presents the single greatest speed achieved in each broad record category; for more information on records under variations of test conditions, see the specific article for each record category.
Hydrofoils are the fastest water-based vehicles propelled solely by human power. They can reach speeds of up to 34 km/h (21 mph; 18 kn), [ 1 ] [ 2 ] [ 3 ] easily exceeding the world records set by competitive rowing which stand at about 20 km/h (12 mph; 11 kn).
Apt ignited the engine and the rocket propelled plane climbed to 44,000 feet, reaching Mach 1 (767 miles per hour). ... (2,094 miles per hour). He was the fastest flying man alive and would hold ...
The first space rendezvous was accomplished by Gemini 6A and Gemini 7 in 1965.. Records and firsts in spaceflight are broadly divided into crewed and uncrewed categories. Records involving animal spaceflight have also been noted in earlier experimental flights, typically to establish the feasibility of sending humans to outer space.
Nasa is flying the fastest human-made object ever made closer to the Sun than anything has ever been before.. The space agency hopes that the Parker Solar Probe can get to the heart of many of the ...
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