VL Picture of the Month: Archive

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Picture of the Month (February 2010)

Dedicated User Captions:

1. der Akt des Fingierens (by W. Iser)

2. Palmolive (Hands Come Out Softer Than They Went In) (by Tilly again)

3. the concept of a dip wasn't always understood very well

Read more captions (not voted, latest on top)

Experiment on the voluntary tetanus

German physician and physiologist Emil Du Bois-Reymond (1818 - 1896) conceived this experiment about the so-called voluntary tetanus, a conciously induced muscle contraction that should create a sufficient amount of electricity on the body surface to move a multiplier's centrepin.

Related Items:

Helmholtz, Hermann von. 1852. Die Resultate der neueren Forschungen über thierische Electricität. Allgemeine Monatsschrift für Wissenschaft und Literatur: 294-309
Du Bois-Reymond, Emil. 1848-84. Untersuchungen über thierische Elektricität. Berlin: Georg Reimer
Valentin, G. 1842. Elektrizität der Thiere. In: Wagner, Rudolph, ed. 1842. Handwörterbuch der Physiologie mit Rücksicht auf physiologische Pathologie. Band 1., 251-310. Braunschweig: Vieweg
Coldstream, John. 1939. Animal Electricity. In: Todd, Robert Bentley, ed. 1836-59. The Cyclopaedia of Anatomy and Physiology. 5 Vols. London: Sherwood, Gilbert and Piper, Vol. 2, 81-98

Du Bois Reymond: Bibliography.
See also an essay by Sven Dierig: Apollo's Laboratory (2002)

Picture Source:
Du Bois-Reymond, Emil. 1884. Untersuchungen über thierische Elektricität, Zweiter Band, Zweite Abtheilung (Zweite Lieferung). Berlin: Georg Reimer

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