This dispersion was used to dip-coat strips of filter paper, rendering the paper conductive.

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To create his test, Jack mixed human mesothelin-specific antibodies with carbon nanotubes and coated strips of ordinary filter paper.

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Numi now packs organic tea in biodegradable filter paper.

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While paper.li, and similar tools like TwitterTim.es and Flipboard, are helping to filter the information as well as improve their presentation, it will not solve the larger problem by itself.

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Last May, Plastic Logic demonstrated a paper-like flexible screen capable of playing video in colour, which is achieved by placing a filter on top of the original black-and-white display.

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