The use of a special type of atom could make even the most advanced atomic clocks more precise, scientists believe. If confirmed, this breakthrough that could lead to more accurate GPS systems and ...

Particle-accelerator study focuses on the r-process thought to be responsible for forming elements heavier than iron ...

Strontium is a metal in group IIA of the periodic table with atomic number 38, an atomic weight of 87.62, and a density of 2.6 Mg/m 3. Its melting point is 768 C, and it boils at 1380 C. The ...

BRAUNSCHWEIG, Germany — Time measurement is entering a new era. The next generation of atomic clocks uses laser light instead of microwaves to track time, oscillating about 100,000 times faster ...

Caption JILA's experimental atomic clock based on strontium atoms held in a lattice of laser light is the world's most precise and stable atomic clock. The image is a composite of many photos ...