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In 2022, Hikvision was awarded a Chinese government contract to develop software to track "key people" in order to prevent them from entering Beijing. [ 16 ] [ 17 ] The same year, IPVM also reported that Hikvision has specific alarms in its software to alert Chinese police to "religion, Falun Gong , and various protest activities. [ 18 ]
In 1947, the cathode-ray tube amusement device, the earliest known interactive electronic game as well as the first to incorporate a cathode-ray tube screen, was created. [ 34 ] From 1949 to the early 1960s, there was a shift from circular CRTs to rectangular CRTs, although the first rectangular CRTs were made in 1938 by Telefunken.
3 January: A free online index with metadata about over 200 million scientific documents is launched, OpenAlex. [1]The graphs show one visualization of recent developments of science overall based on this data (fewer papers may not be associated with decreasing success, priority, impact or activity).
The Thirty Years' War, [j] from 1618 to 1648, was one of the most destructive conflicts in European history.Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died from the effects of battle, famine, or disease, while parts of Germany reported population declines of over 50%. [19]
A Bayesian analysis can be done based on family history or genetic testing, in order to predict whether an individual will develop a disease or pass one on to their children. Genetic testing and prediction is a common practice among couples who plan to have children but are concerned that they may both be carriers for a disease, especially ...
Dual-energy X-ray absorptiometry (DXA, or DEXA [1]) is a means of measuring bone mineral density (BMD) using spectral imaging. Two X-ray beams, with different energy levels, are aimed at the patient's bones. When soft tissue absorption is subtracted out, the bone mineral density (BMD) can be determined from the absorption of each beam by bone ...
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