https://newatlas.com/miniature-particle-accelerator/39741/
Researchers at MIT in the US and DESY (Deutsches Elektronen-Synchrotron) in Germany have developed a technology that uses high-frequency electromagnetic waves...
terahertz radiationparticle acceleratorsenableportable
https://www.mpg.de/10608945/terahertz-radiation-source
T. Kampfrath and his team from the Fritz Haber Institute of the Max Planck Society have developed a new source of radiation in the terahertz spectrum.
a newsourceradiationacrossentire