Discover Magazine on MSN

J.J. Thompson Discovered the Electron — And Unknowingly Electrified Science Forever

Learn more about the discovery of the electron and why J.J. Thomson often gets the credit.
insider.si.edu

J.J. Thomson's cathode ray tube #3, replica of Cavendish Lab apparatus

Click to open image viewer. Replicas of Cavendish Lab. Apparatus (5, l. to r.); obj. ID no. EM.N-08013-A Thompson's cathode ray tube #2, EM.318206 Thompson's cathode ray tube #3, EM.N-08019 Rutherford ...
Nature

Round and around

This apparatus, held in London's Science Museum, has some significant purpose — or curiosity value — in the history of physics. Can you guess what it is? This has been claimed to be the apparatus with ...
JSTOR Daily

Experiments on the Diffraction of Cathode Rays. II

Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character, Vol. 119, No. 783 (Jul. 2, 1928), pp. 651-663 (14 pages) ...
Engadget

Hitting the Books: Without glass, we'd have never discovered the electron

From the dawn on time, humans have manipulated the material world around us to suit our will. We started off banging rocks together before moving on to wielding bronze and then iron tools. We parlayed ...
Nature

Diffraction of Cathode Rays by Mica

A DIFFRACTION pattern was obtained by passing a cathode ray beam through a thin sheet of mica, with an apparatus similar to that used by G. P. Thomson in his interesting experiment on the diffraction ...