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mar 23, 1667 - Using a microscope, Robert Hooke discovers what cork is made from and that it floats.

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Various specimens are inspected by Robert Hooke with his microscope and publishes his results in Micrographia. Among his many observations were a description of cork and how it can float in water.

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History of the Microscope

ByAlyssa Bourke
13 Dec 2017
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Date:

mar 23, 1667
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~ 358 years ago
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