Items tagged with "precision measurement"
October 21, 2020
A Billion Tiny Pendulums Could Detect the Universe’s Missing Mass
Researchers at JQI and their colleagues have proposed a novel method for finding dark matter, the cosmos’s mystery material that has eluded detection for decades. Dark matter makes up about 27% of the universe; ordinary matter, such as the stuff that builds stars and planets, accounts for just 5% of the cosmos. (A mysterious entity called dark energy, accounts for the other 68%.)
December 5, 2012
Disappearing Light
In a recently accepted Physical Review Letter, JQI researchers present a novel method to measure the strength of two of rubidium’s atomic transitions with unprecedented accuracy.