News tagged with focal point

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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Chilean biologist saving forests with frogs

(—Chilean biologist Virginia Moreno is besotted with frogs. So much so that she is taking on the might of the forestry industry to study one frog in particular – Chile's critically endangered mountain frog, Telmatobufo ...

dateOct 10, 2012 in Plants & Animals
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