Scientists carefully positioned lasers to compress billions of electrons together, creating a beam five times more powerful ...

Lijun Wu in an electron microscopy facility in Brookhaven Lab's Condensed Matter Physics and Materials Science ... and valence (outer-shell) electron distributions (right) of strontium titanate ...

It explains how electrons are accelerated by an electron gun and then deflected by a magnetic field created by Helmholtz coils. The experiment measures the mass of an electron by analyzing the ...