Leonhard Euler was an 18th century mathematician and physicist. He made important contributions to numerous branches of mathematics, including infinitesimal calculus, analytical geometry and number theory. More »

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The number "e" in mathematics is often called Euler's number, named after Swiss mathematician Leonhard Euler. Euler originated the notation f (x) for a function, i for the square root of -1 and ? for pi. More »

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A tetrahedron is a three-dimensional shape that contains four vertices, four faces and six edges. This Platonic solid is classified as a polyhedron, specifically a regular convex polyhedron. This indicates that all the f... More »

A physicist asks fundamental questions about the interaction between matter and energy and then begins observation and experimentation to answer these questions. Many of the technological advances that humans have today ... More »

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Ernest Marsden was a physicist from New Zealand who lived from 1889 until 1970. Marsden made valuable contributions to physics and chemistry by improving the understanding of the internal structure of the atom from obser... More »

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Some of the most famous scientists, as of May 2015, are Stephen Hawking, who is a physicist and cosmologist, and Noam Chomsky, who changed the arena of linguistics. Another notable scientist is Neil deGrasse Tyson, a sci... More »

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Albert Abraham Michelson is a Nobel Prize-winning physicist best known for his work on the speed of light. In 1887, he was instrumental in carrying out the Michelson-Morley experiment, which provided strong evidence agai... More »

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