News tagged with piezoelectricity

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 ...

dateMay 14, 2014 in Optics & Photonics
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Beating heart powers pacemaker

(Phys.org) —An interdisciplinary research team including Northwestern University's Yonggang Huang has developed a flexible medical implant that harvests the energy of the beating heart. Such a device could ...

dateApr 10, 2014 in Engineering
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