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Featured Article: Fundamental interaction

Standard Model of Elementary Particles
In physics, a fundamental interaction or fundamental force is a mechanism by which particles interact with each other, and which cannot be explained in terms of another interaction. Currently, it is believed that there are four fundamental interactions: Strong interaction, weak interaction, gravitation, and electromagnetism.

Popular Article: John von Neumann

John von Neumann in the 1940s
John von Neumann (December 28, 1903 – February 8, 1957) mathematician who made contributions to quantum physics, functional analysis, set theory, topology, economics, computer science, numerical analysis, hydrodynamics (of explosions), statistics and many other mathematical fields. He was a pioneer of the application of operator theory to quantum mechanics, a member of the Manhattan Project and the Institute for Advanced Study at Princeton, and the co-creator of game theory and the concepts of cellular automata and the universal constructor. Along with Edward Teller and Stanislaw Ulam, von Neumann worked out key steps in the nuclear physics involved in thermonuclear reactions and the hydrogen bomb.

Did you know?

Bette Davis co-founded the "Hollywood Canteen," a club providing food, dancing, and entertainment by Hollywood stars for servicemen on their way to fight overseas in World War II (source: Bette Davis)

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