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 »

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 »

The number of edges of any polyhedron can be calculated using the formula: E = V + F - 2, where "E'" denotes the number of edges, "V" indicates the number of vertices and "F" represents the number of faces. It is derived... More »

Albert Einstein was a pioneering scientist and physicist, most famous for his theory of relativity, who made several breakthroughs in scientific understanding of time and space, explains Planet Science. Many also credit ... More »

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 »

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 »

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 »