Why do the Stars Shine, How do re Know They Are So Exceedingly Hot inside, and What Makes them So ? From Whence Coles their Vast Store of Energy?

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American Artisan, Inventors' and Manufacturers' Gazette, New York; and Van Nostrand's Eclectic Magazine—a monthly which consists of articles copied from the current scientific literature of this ...

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"Normally a sphere can be turned inside out only if it has been torn. In differential topology one assumes that the surface can be pushed through itself, but then the problem is to avoid forming a ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...