SmartGlass involves two panes sandwiching a film containing minuscule liquid droplets of these light-absorbing polyiodide crystals.

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Colors are bright and saturated while darker areas are deep and almost light-absorbing -- perhaps unnaturally so.

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It takes a harmless light-absorbing drug (aptocine) that concentrates everywhere in the body.

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Although the lenses are fixed in shape, they are connected via a network of fluid-filled channels, containing a light-absorbing pigment.

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Composed of light-absorbing, colloidal quantum dots linked to carbon-based fullerene nanoparticles, these tiny two-particle systems can convert light to electricity in a precisely controlled way.

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The third objective, efficient design, involved sandwiching the nanostructured bismuth telluride between two copper plates and then enclosing the upper plate (the one coated with the light-absorbing oxides) and the bismuth telluride in a vacuum.

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They then have nowhere to put all the light energy they are absorbing, and the resulting breakdown of biochemical pathways creates toxic oxygen-containing molecules known as free radicals.

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Like much of America during the Vietnam War, the real-life ballad of John and Yoko had a sharp political edge, which is brought to light in this absorbing documentary by David Leaf and John Scheinfeld.

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