Description: Electron diffraction patterns for single crystal and polycrystalline materials are displayed on a CRT screen. A Welch model 2639 'Electron Diffraction tube' is used in an experiment in ...

The cathode tube was a prime example ... is the lifeblood of everything from computers to phones to microwaves, the electron turned out to be interesting to just about everybody.

Scientists have for the first time filmed the real-time growth and contraction of Palladium nanoparticles, opening new ...