The Theory of Spectra and Atomic Constitution: Three Essays. By Prof. Niels Bohr — The beautiful conception which inspires and co-ordinates practically the whole of modern atomic physics is the atomic ...

Editor’s Note: Professor WERNER HEISENBERG, who was born in Duisburg in 1901, was awarded the Nobel Prize in Physics in 1932 for his work on the quantum theory. A member of the faculty of the ...

Physicists got their first look at the structure of the atomic nucleus. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Geiger-Marsden ...

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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 ...

Positioned so that, on camera, a 70-foot model of a “rocket-powered ship” was visible in the background, Walt Disney clutched a plaque in one hand and a small microphone in the other. It was July 17, ...