The members of the Franklin Institute of Philadelphia took their seats for their annual meeting last week in an atmosphere of ill-concealed excitement. Weeks before, the committee on awards had ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

On January 12, 1896, three students at Davidson College experimented with x-rays. On January 6, 1896, the Associated Press announced that German physicist Wilhelm Roentgen had discovered a new form of ...

Then, in 1895, the German physicist Wilhelm Röntgen was tinkering with a vacuum tube that had two electrical connections, known as cathodes, attached to it. When he ran an electric current through the ...

The Royal Society is a self-governing Fellowship of many of the world's most distinguished scientists drawn from all areas of science, engineering and medicine, and is the oldest scientific academy in ...

THIS memoir gives a detailed account of experiments made by MM. Guye and Ratnowsky in 1907–9, and by MM. Guye and Lavanchy in 1911–13, with the object of testing the mass-formulæ of Abraham and of ...