hope's apparatus information in brief
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yAmerican science fiction author and editor Lester del Rey wrote, "Even the devoted aficionado or fan—has a hard time trying to explain what science fiction is," and the lack of a "full satisfactory definition" is because "there are no easily delineated limits to science fiction."[4] Whereas, according to Isaac Asimov, "Science fiction can be defined as that branch of literature which deals with the reaction of human beings to changes in science and technology."[5] Furthermore, Robert A. Heinlein wrote that "A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method."[6] Damon Knight summed up the difficulty, saying "science fiction is what we point to when we say it."[7]
yAmerican science fiction author and editor Lester del Rey wrote, "Even the devoted aficionado or fan—has a hard time trying to explain what science fiction is," and the lack of a "full satisfactory definition" is because "there are no easily delineated limits to science fiction."[4] Whereas, according to Isaac Asimov, "Science fiction can be defined as that branch of literature which deals with the reaction of human beings to changes in science and technology."[5] Furthermore, Robert A. Heinlein wrote that "A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method."[6] Damon Knight summed up the difficulty, saying "science fiction is what we point to when we say it."[7]Alternative terms Edit
Answer:
Hope's apparatus consists of a vertical vessel full of water surrounded round the middle by a trough of cooling ice. Two thermometers, one above and one below the trough, measure the temperature of the water. It is designed to demonstrate that water reaches its maximum density at 4 °C (39 °F).Hope's apparatus is an instrument which can be used to do experiment on concentration of water by heat at low temperature.
The experiment using Hope's Apparatus shows that water reaches its maximum density at 4 degrees centigrade or 39 degrees Fahrenheit. Thomas Charles Hope (1766 – 1844), a Scottish physician and chemist, is the inventor of this apparatus and also proved the existence of the element strontium.