Light Bends Matter, Surprising Scientists

After 72 hours of exposure to ambient light, strands of nanoparticles twisted and bunched together. Credit: Nicholas Kotov

From Live Science:

Light can twist matter, according to a new study that observed ribbons of nanoparticles twisting in response to light.

Scientists knew matter can cause light to bend – prisms and glasses prove this easily enough. But the reverse phenomenon was not shown to occur until recently.

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