Year: 2010

Rug Weavers of Kerman, Iran

I recently visited the ancient city of Kerman, Iran (founded in the 3rd century, A.D.). The hand-woven carpets of Kerman are renowned worldwide, and I had the good fortune of visiting one of the rug-weaving factories. The workspace was filled with giant looms and this one was manned by a husband and wife weaving team. […]

Atomic-bond resolution microscopy

Atomic-bond resolution microscopy

Pardon me while I go chemistry geek. It has recently come to my attention that Leo Gross and co-workers at IBM Research in Switzerland have developed a special atomic-force microscopy technique that can image actual molecules with enough resolution to “see” individual bonds and hydrogen atoms. Shown uppermost is a computer-generated model of the pentacene molecule, and below it, an actual image from the microscope. The microscope’s probe is tipped with a single molecule of carbon monoxide. Unbelievable.