A glass bead has been brought down to its coldest possible quantum state using a new method that may one day allow us to observe an object in two places at once
Source:
https://www.newscientist.com/article/2231968-this-tiny-glass-bead-has-been-quantum-chilled-to-near-absolute-zero/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home