News tagged with layer

Deformable mirror corrects errors

Very high power is needed to cut or weld using a laser beam. But this creates its own problem: the beam's energy deforms the mirrors that are focusing it to a point. When this happens, the beam expands and loses intensity. ...

dateMay 14, 2014 in Optics & Photonics
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Using nature as a model for low-friction bearings

The mechanical properties of natural joints are considered unrivalled. Cartilage is coated with a special polymer layer allowing joints to move virtually friction-free, even under high pressure. Using simulations on Jülich's ...

dateMay 14, 2014 in Polymers
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Image: The sunshield for ESA's Solar Orbiter

( —Members of ESA's Solar Orbiter team watch expectantly as an essential part of the spacecraft is lowered into Europe's largest vacuum chamber: the multi-layered shield that will protect their probe from the Sun's ...

dateMay 08, 2014 in Space Exploration
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