A Tenth of a Second: A History by Jimena Canales

By Jimena Canales

In the past due 15th century, clocks received minute arms. A century later, moment arms seemed. however it wasn’t till the 1850s that tools might realize a 10th of a moment, and, when they did, the impression on sleek technology and society used to be profound. Revealing the background at the back of this infinitesimal period, A 10th of a Second sheds new gentle on modernity and illuminates the paintings of vital thinkers of the final centuries.

Tracing debates concerning the nature of time, causality, and unfastened will, in addition to the creation of recent technologies—telegraphy, images, cinematography—Jimena Canales locates the reverberations of this “perceptual second” all through tradition. as soon as scientists linked the 10th of a moment with the rate of proposal, they constructed response time experiments with lasting implications for experimental psychology, body structure, and optics. Astronomers and physicists struggled to manage the profound outcomes of effects that have been a 10th of a moment off. And references to the period have been a part of a basic inquiry into time, attention, and sensory adventure that concerned rethinking the contributions of Descartes and Kant.

Considering its impression on for much longer time sessions and that includes appearances through Henri Bergson, Walter Benjamin, and Albert Einstein, between others, A 10th of a Second is eventually an incredible contribution to background and a singular point of view on modernity.

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29 But at the time of Marey’s publication, and for more than a decade already, astronomers were not measuring the personal equation with Marey’s methods, but rather 25. The use of the term “reader” to describe the experimenter persisted well into the late nineteenth century. 26. Emil du Bois-Reymond, “Vitesse de la transmission de la volonté et de la sensation à travers les nerfs: Conférence de M. du Bois-Reymond à l’Institution Royale de la Grande-Bretagne,” Revue scientifique 4, no. 3 (15 December 1866).

How were reactions to stimuli affected by the movement of the observer, for example, when traveling on a train? ” This situation was “the same as when the movement of a cannon ball thrown towards the equator from the west is destroyed by the movement of the earth around its axis. ” Bois-Reymond, “Vitesse de la transmission de la volonté et de la sensation à travers les nerfs: Conférence de M. du Bois-Reymond à l’Institution royale de la Grande-Bretagne,” 39. 45. François Arago, “Sur les observations des longitudes et des latitudes géodésiques,” in Oeuvres de François Arago (Paris: Théodore Morgand, 1865), 147.

Carl 2 (1866). These works were cited by Exner and Wundt. Radau used the following sources for his account of Maskelyne: Zeitschrift für Astronomie, herausgegeben von Lindenau und Bohnenberg 2 (1816). For Bessel he used C. A. F. Peters, Ueber die Bestimmung des Längenunterschiedes zwischen Altona und Schwerin, ausgeführt im Jahre 1858 durch galvanische Signale (Altona: Hammerich & Lesser, 1861). 24. Rodolphe Radau, “La Vitesse de la volonté,” Le Moniteur scientifique 5 (1868): 91. 26 Du Bois-Reymond and Radau argued that the decisive step in transforming these experiments into measurements for the speed of thought was currently undertaken by Donders.

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