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Nazi human experimentation was a series of medical experiments on prisoners by Nazi Germany in its concentration camps mainly between 1942 and 1945. There were 15,754 documented victims, of various nationalities and age groups, although the true number is believed to be more extensive. Many survived, with a quarter of documented victims being ...
Charles Fredrick Wiesenthal (1726–1789) [1] was a German-American physician and inventor who was awarded the patent for the first known mechanical device for sewing in 1755. One might argue that he invented the sewing machine. He was born in the Kingdom of Prussia, but was in England at the time of invention, and lived from 1755 to 1789 in ...
Unit 731 (Japanese: 731部隊, Hepburn: Nana-san-ichi Butai), [note 1] short for Manchu Detachment 731 and also known as the Kamo Detachment [3]: 198 and the Ishii Unit, [5] was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War ...
Historically, the definition of a scientific instrument has varied, based on usage, laws, and historical time period. [1] [2] [3] Before the mid-nineteenth century such tools were referred to as "natural philosophical" or "philosophical" apparatus and instruments, and older tools from antiquity to the Middle Ages (such as the astrolabe and pendulum clock) defy a more modern definition of "a ...
Laboratory glassware. Laboratory glassware is a variety of equipment used in scientific work, traditionally made of glass. Glass may be blown, bent, cut, molded, or formed into many sizes and shapes. It is commonly used in chemistry, biology, and analytical laboratories.
Unethical human experimentation. Unethical human experimentation is human experimentation that violates the principles of medical ethics. Such practices have included denying patients the right to informed consent, using pseudoscientific frameworks such as race science, and torturing people under the guise of research.
A sewing needle, used for hand- sewing, is a long slender tool with a pointed tip at one end and a hole (or eye) to hold the sewing thread. The earliest needles were made of bone or wood; modern needles are manufactured from high carbon steel wire and are nickel - or 18K gold -plated for corrosion resistance. High-quality embroidery needles are ...
Vladimir P. Demikhov was born on July 31, 1916, [4] into a family of Russian peasants living on a small farmstead in the northern part of Russia's Volgograd region. [5] His father, Peter Yakovlevich Demikhov was killed during the Russian Civil War when Demikhov was about three years old, [1] [5] so he and his brother and sister were raised by their mother, Domnika Alexandrovna, who managed to ...
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