Tiny concentrations Qizhong Liang in Jun Ye's lab at JILA on the campus of the University Colorado Boulder. Liang and colleagues have developed a new technique for measuring trace concentrations of ...

For decades, scientists have assumed no matter how strong or dense any plastic is, gas molecules will eventually slip through. A new “molecularly impermeable” plastic invented by a team of researchers ...

A group of researchers have created an unusual material -- a soft crystal made of molecules known as a catenanes-- that behaves in a novel way that could be used in applications such as films that ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

The use of gas sensors in detecting, monitoring, and evaluating combustion-related toxic and exhaust gases has attracted much interest. This technique finds practical application at both industrial ...

Physicists are increasingly using ultracold molecules to study quantum states of matter. Many researchers contend that molecules have advantages over other alternatives, such as trapped ions, atoms or ...