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In the mid-nineteenth century, as the great French historian Victor Duruy sat down to revise the general history of the world text used in French schools, he found himself facing a question few historians since antiquity had had to contemplate: when should history begin? “Scarcely twenty or thirty years ago,” he wrote, “unexpected discoveries have forced us to break all the old systems of chronology.” Victor Duruy, Abrégé d’histoire universelle, comprenant la révision des grandes époques de l’histoire depuis les origines jusqu’à 1848 , nouvelle édition (Paris: Hachette, 1873), 3: “Il y a vingt ou trente années seulement que des découvertes inattendues ont forcé de briser tous les vieux systèmes de chronologie.” He was alluding to the time revolution that began in 1859, when the short Biblical chronology, over the space of a decade or so, was abandoned as a geological truth. Important studies of the time revolution include Stephen Toulmin and June Goodfield, The Discovery of Time (New York: Harper Row, 1965); Claude Albritton, The Abyss of Time: Changing Conceptions of the Earth's Antiquity after the Sixteenth Century (San Francisco: Freeman, Cooper, 1980); Paolo Rossi, The Dark Abyss of Time: The History of the Earth and the History of Nations from Hooke to Vico , trans. Lydia G. Cochrane (Chicago: University of Chicago Press, 1984), Stephen Jay Gould, Time's Arrow, Time's Cycle: Myth and Metaphor in the Discovery of Geological Time (Cambridge, Mass.: Harvard University Press, 1987); and Thomas R. Trautmann, Lewis Henry Morgan and the Invention of Kinship (Berkeley: University of California Press, 1987), esp. 32-35 and 205-30. To the new geology was joined the new archaeology, an approach to the past that challenged the very framework of history’s chronology. “A science born yesterday,” Duruy wrote, “has pushed the birth of humanity back to an age where the measure of time is no longer given by means of a few generations of men, as it is today, but instead by hundreds of centuries.” Duruy, Abrégé , 4: “Cette science née d’hier a donc reculé la naissance de l’humanité vers une époque où la mesure du temps n’est plus, comme de nos jours, donnée par quelques générations d’hommes, mais où il faut compter par des centaines de siècles.” His predecessors had all written in the comfortable certainty that human history was as old as the earth, and that both began in a moment of creation in 4004 B.C. Not twenty years earlier, Duruy himself had published a new edition of a sacred history according to the Bible. Victor Duruy, Histoire sainte d’après la Bible , 2 nd ed. (Paris: Hachette, 1856). When he took up the task of revising world history for the French curriculum, he was one of the first historians to stand on the precipice of time, contemplating, in his own words, “an obscure and terrifying antiquity.” Duruy, Abrégé , 4: “une vague et effrayante antiquité.” The question of how French historians responded to the challenge of deep time has been little studied, to my knowledge. For the situation in the United States and England, see Daniel A. Segal, “Western Civ and the Staging of History in American Higher Education,” American Historical Review 105 (2000): 770-805, and Doris Goldstein, “Confronting Time: The Oxford School of History and the Non-Darwinian Revolution,” Storia della Storiografia 45 (2004): 3-27.

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
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John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
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David Reply
what is viscosity?
David
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emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
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Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
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Muhammad Reply
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Mohammed
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Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
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Reofrir Reply
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Source:  OpenStax, Professors help document. OpenStax CNX. Aug 27, 2010 Download for free at http://cnx.org/content/col11223/1.1
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