The National Institute of Standards and Technology's new cesium fountain clock is one of the most precise atomic clocks ever ...

Neutrinos and antineutrinos are elementary particles with small but unknown mass. High-precision atomic mass measurements have revealed that beta decay of the silver-110 isomer has a strong potential ...

Scientists at the University of Texas at Austin, Los Alamos National Laboratory, and Type One Energy Group in the US have ...

Werner Heisenberg submitted a paper to Zeitschrift für Physik entitled ‘On quantum-theoretical reinterpretation of kinematic and mechanical relationships’, thus giving birth to quantum mechanics. In ...