Additive advantage: A magneto-optical trap (MOT) constructed with 3D-printed components. (Courtesy: Somaya Madkhaly) A team led by physicists at the University of Nottingham, UK has created a ...

A laser based magneto-optical trap that captures isotopes of krypton (Kr) gas can date samples of water and ice that are up to 1 million years old. Developed by a team of researchers in the US and ...