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Natural History. MIT World | Distributed Intelligence. Sightline Institute - Solutions for Cascadia — Sightline Institute. Nikon MicroscopyU. NOVA scienceNOW. How Many Dimensions Does the Universe Really Have?

NOVA scienceNOW

An engineer, a mathematician and a physicist walk into a universe. How many dimensions do they find? The engineer whips out a protractor and straightedge. That’s... Online Textbook of Bacteriology. Science & Nature.