Kavli IPMU's Shigeki Matsumoto and Jie Sheng have shown torsion-balance experiments — precision instruments originally built ...
A tabletop instrument sensitive enough to measure a twist smaller than a trillionth of a degree has just become the world’s ...
Study authors Hunter Schweiger (left) and Ash Robbins. Imagine balancing a ruler vertically in the palm of your hand: you have to constantly pay attention to the angle of the ruler and make many small ...