On my commute to work today, I had the misfortune of being crammed into a narrow tube underground. But it could have been worse: I could’ve been squished into a single dimension. That’s what recently ...

Left: Antarctic ice core and the bubbles contained in it. Right: Vacuum-ultraviolet light source and metastable krypton atom beam device. A team led by Prof. Zheng-Tian Lu and Prof. Wei Jiang from the ...