Qizhong Liang in Jun Ye's lab at JILA on the CU Boulder campus. Credit: Patrick Campbell/CU Boulder Expert sommeliers can take a whiff of a glass of wine and tell you a lot about what's in your pinot noir or cabernet sauvignon. A team of physicists at CU Boulder and the National Institute of Standards and Technology (NIST) have achieved a similar feat of sensing, only for a much wider range of substances. The group has developed a new laser-based device that can take any sample of gas and identi...