Nobel, Alfred Bernhard (1833-96), Swedish chemist, inventor, and philanthropist, born in Stockholm. After receiving an education in Saint Petersburg, Russia, and in the United States, where he studied mechanical engineering, he returned to Saint Petersburg to work under his father, developing mines, torpedoes, and other explosives. In a family-owned factory in Heleneborg, Sweden, he sought to develop a safe way to handle nitroglycerin, after a factory explosion in 1864 killed his younger brother and four other people. In 1867 Nobel achieved his goal; by using an organic packing material to reduce the volatility of the nitroglycerin, he produced what he called dynamite. He later produced ballistite, one of the first smokeless powders. At the time of his death he controlled factories for the manufacture of explosives in many parts of the world. His will provided that the major portion of his $9 million estate be set up as a fund to establish yearly prizes for merit in physics, chemistry, medicine and physiology, literature, and world peace. (A prize in economics has been awarded since 1969.)
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A stamp depicting the image of Hanaoka Seishu. Hanaoka Seishu (1760-1835), Japanese physician and pioneer of anesthetic surgery. Hanaok... -
In the N and W United States the era of mechanized agriculture began with the invention of such farm machines as the reaper, the cultivator,...
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Fluid Mechanics, physical science dealing with the action of fluids at rest or in motion, and with applications and devices in engineering u...