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July 11–12 – Cicero race riot of 1951: A mob of 4,000 whites attack an apartment building housing a single black family in a neighborhood in Cicero, Illinois. July 13 The Great Flood of 1951 reaches its highest point in Northeast Kansas, culminating in the greatest flood damage to date in the Midwestern United States.
The phase-change incubator is a low-cost, low-maintenance incubator to help test for microorganisms in water supplies. It uses small balls containing a chemical compound that, when heated and then kept insulated, will stay at 37 °C (approx. 99 °F) for 24 hours. MIT professor and engineer Amy B. Smith invented the phase-change incubator in 1999.
The following articles cover the timeline of United States inventions: . Timeline of United States inventions (before 1890), before the turn of the century Timeline of United States inventions (1890–1945), before World War II
Quizlet made its first acquisition in March 2021, with the purchase of Slader, which offered detailed explanations of textbook concepts and practice problems, and eventually incorporated it into its paid platform, Quizlet Plus. [20] [21] [22] In November 2022, Quizlet announced a new CEO, Lex Bayer, the former CEO of Starship Technologies. [23]
The Babcock test was the first inexpensive and practical test which were used to determine the fat content of milk. Invented by Stephen Moulton Babcock in 1890, the test was developed to prevent dishonest farmers who could, until the 1890s, water down their milk or remove some cream before selling it to the factories because milk was paid by ...
1951 was a common year starting on Monday of the Gregorian calendar, the 1951st year of the Common Era (CE) and Anno Domini (AD) designations, the 951st year of the 2nd millennium, the 51st year of the 20th century, and the 2nd year of the 1950s decade.
August 18 – Indian Institute of Technology Kharagpur inaugurated in West Bengal as the first of the Indian Institutes of Technology. c. September – James Watson joins Francis Crick under Max Perutz in the UK Medical Research Council's Unit for Research on the Molecular Structure of Biological Systems at the Cavendish Laboratory in the University of Cambridge led by Sir Lawrence Bragg.
1951 – China and the Soviet Union sign an agreement whereby China would supply uranium ore in exchange for technical assistance in producing nuclear weapons. 1952 – September – President Truman declines proposal by the State Department Panel of Consultants on Disarmament that the first test of a hydrogen bomb be delayed.