News tagged with bombardment

Nano-hillocks: Of mountains and craters

In the field of nanotechnology, electrically-charged particles are frequently used as tools for surface modification. Researchers at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) and the TU Vienna were at last able to reconcile ...

dateOct 01, 2012 in General Physics
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Image: A storm of comets around star Eta Corvi

( -- This artist's conception illustrates a storm of comets around a star near our own, called Eta Corvi. Evidence for this barrage comes from NASA's Spitzer Space Telescope, whose infrared detectors picked up indications ...

dateJul 24, 2012 in Space Exploration
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How ion bombardment reshapes metal surfaces

To modify a metal surface at the scale of atoms and molecules — for instance to refine the wiring in computer chips or the reflective silver in optical components — manufacturers shower it with ions. While the process ...

dateMay 23, 2012 in Nanophysics
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