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Archimedes’ principle experiment using a hand balance: an iron piece weights less in water then in air
Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object (Archimedes’ principle).
Congress of Vienna 1815, caricature
Caricature of the congress of Vienna (1815), in which the major European powers decided how to reshape post-Napoleonic Europe in terms of borders and boundaries, so that major powers would balance each other, and thus ensure that peace could be … Continued