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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.
[4] [42] As the probe passes around the Sun, it will achieve a velocity of up to 200 km/s (120 mi/s), which will temporarily make it the fastest human-made object, almost three times as fast as the previous record holder, Helios-2. [43] [44] [45] Launch injection was very close to predictions, but nevertheless required path correction.
The Kola Superdeep Borehole SG-3 (Russian: Кольская сверхглубокая скважина СГ-3, romanized: Kol'skaya sverkhglubokaya skvazhina SG-3) is the deepest human-made hole on Earth (since 1979), which attained maximum true vertical depth of 12,262 metres (40,230 ft; 7.619 mi) in 1989. [1]
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 ...
Sep. 27—On September 27, 1956, Captain Milburn Grant "Mel" Apt became the fastest man alive during his test flight aboard the Bell X-2 supersonic aircraft, reaching speeds three times faster ...
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Team USA's Noah Lyles, the defending world champion in the 100 m, won the Olympic gold medal in that race on Sunday night at Stade de France, becoming the first male sprinter from the United ...
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. As with many world records, there may be some dispute over the criteria for a record-setting event, the authority of the organization ...