Sentences with phrase «when ion mass»

Not exact matches

When the team bombarded the fossils with charged particles and then analyzed the particles that were knocked from the surface (a technique called time - of - flight secondary ion mass spectrometry), they chemically identified the remnants of eumelanin, a pigment that typically lends a black or brown color to skin or feathers.

Asara nailed the case when he purified Schweitzer's samples and ran them through an ion - trap mass spectrometer.

When we crunched the numbers, we found that electric propulsion — via an ion drive or related technologies — could dramatically reduce the launch mass required for human missions to asteroids and Mars.