Delivery alert

There may be an issue with the delivery of your newspaper. This alert will expire at NaN. Click here for more info.

Recover password

This scanning election microscope image shows a diffraction pattern etched into a polymer coating on a single shaft of brown hair. The area shown in the image is about 30 nanometers across. An inch is made up of 25.4 million nanometers. (Courtesy of Los Alamos National Laboratory)