scents

Tiny Particles, Big Trouble explains why some nanoscale science and technology is done in the controlled environment of a clean room, what clean rooms are like, and how scientists help keep the clean room clean. During the program, visitors sniff...

The "Chemistry Makes Scents" lets participants use their noses to distinguish between chemicals with very similar structures. Some molecule pairs contain all the same elements, arranged the same way but flipped in a "mirror image." While these chemicals can behave...