“Photonic Sunflower” – Controlled by Light Alone, New Smart Materials Twist, Bend and Move – SciTechDaily

Photonic material in the shape of a flower can move in response to light, closely tracking the angle of maximum exposure. Credit: Fio Omenetto, Tufts University
Technology paves way for intelligent solar cells, other highly efficient devices programmed at the macro and nano scale.
Researchers at Tufts University School of Engineering have created light-activated composite devices able to execute precise, visible movements and form complex three-dimensional shapes without the need for wires or other…

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