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MW 18014 was the first human-made object to cross into outer space, as defined by the 100 km Kármán line. This particular altitude was not considered significant at the time; the Peenemünde rocket scientists rather celebrated test launch V-4 in October 1942, first to reach the thermosphere. [7]
The first uses of test crosses were in Gregor Mendel’s experiments in plant hybridization.While studying the inheritance of dominant and recessive traits in pea plants, he explains that the “signification” (now termed zygosity) of an individual for a dominant trait is determined by the expression patterns of the following generation.
Sunil Gavaskar was the first player to cross the 10,000 run mark in Tests. Scoring over 10,000 runs across a playing career in any format of cricket is considered a significant achievement. [1] [2] In the chase to achieve top scores, West Indian Garfield Sobers retired in 1974 as the most prolific run scorer in Test cricket, with a total of ...
History is full of iconic moments, some that shaped the world and others that defined entire eras. From the birth of groundbreaking inventions to the rise of legendary icons, each moment has its ...
Walker was the first American civilian to make any spaceflight, [3] and the second civilian overall, preceded only by the Soviet Union's cosmonaut, Valentina Tereshkova [4] one month earlier. Flights 90 and 91 made Walker the first human to make multiple spaceflights according to the FAI definition of greater than 100 km (62 mi).
The first proposal to test nuclear weapons against naval warships was made on August 16, 1945, by Lewis Strauss, future chairman of the Atomic Energy Commission.In an internal memo to Secretary of the Navy James Forrestal, Strauss argued, "If such a test is not made, there will be loose talk to the effect that the fleet is obsolete in the face of this new weapon and this will militate against ...
Bertha Benz at age 18, c. 1867 Cäcilie Bertha Ringer was born on 3 May 1849 to a wealthy carpenter family in Pforzheim.She was the third of nine children. Her father, Karl Friedrich Ringer, a master builder and carpenter, and her 20 year younger mother, Auguste Friedrich, were wealthy individuals who invested heavily in their children's educations.
Known as the first “test-tube baby" — although the IVF process actually takes place on a petri dish — her birth was made possible thanks to the cutting-edge research of three British ...