Appropriately enough, one of Sir J, J. Thomson's earliest experiments was the repetition of a measurement which strongly supported Maxwell's electro-magnetic theory, namely, the determination of ...

LORD RAYLEIGH has written a most excellent and satisfying account of the life of Sir Joseph Thomson. The book gives an adequate explanation of Thomson's epoch-making scientific work, and ...

Others thought the rays were streams of particles. J.J. Thomson decided to find out for sure. Thomson was a physics professor at Cambridge University in the UK. He placed cathode tubes in electric ...

Electrons are 1,800 times lighter than the lightest atom (something discovered by Thomson’s father J.J. Thomson) so they can more easily diffract through the lattice of a crystal. Atom ...