Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

‘Dancing’ raisins − a simple kitchen experiment reveals how objects can extract energy from their environment and come to life

By Saverio Eric Spagnolie, Professor of Mathematics, University of Wisconsin-Madison

Want to bring extra life to a glass of champagne or soda water? Physicists will tell you to drop in a small object, such as a berry or raisin.

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