University of Tokyo - Scientists cool positronium to near absolute zero for antimatter research:

https://phys.org/news/2024-09-scientists-cool-positronium-absolute-antimatter.html

#Positronium #Positron #Antimatter #Spectroscopy #Supercooling #ChirpedLaser #LASER #Cosmology #Physics

Ingrid Fadelli - A highly precise terahertz molecular clock:

https://phys.org/news/2023-04-highly-precise-terahertz-molecular-clock.html

#AtomicClock #MolecularClock #Clock #Strontium #Sr2 #Terahertz #VibrationalModes #LASERs #Supercooling #Spectroscopy #Physics