Space-age nanotech, one atomic layer at a time

Goddard technologist Vivek Dwivedi (right) and his collaborator, University of Maryland professor Raymond Adomaitis (left), are preparing to insert a sample inside a reactor that will apply a thin film using the atomic layer deposition technique.

Space can be a dangerous place. Micrometeorites, solar particles, and space  junk—everything from spent rocket stages to paint fragments—zip past  satellites at up to 12.4 miles (20 kilometers) per second, posing  hazards to their sensitive spacecraft optics, detectors, and solar  panels.

Although engineers have developed different techniques to safeguard spacecraft  from these fast-moving whirling dervishes, nothing provides 100%  protection...

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600450 Space-age nanotech, one atomic layer at a time

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