Paper
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While the recycling of paper is all very well and good, reusing it is even better. A new pollen-based paper was designed with this fact in mind, as text can be printed onto it and then chemically erased multiple times.
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In East Africa and other regions, potato crops are currently threatened by a worm known as the potato cyst nematode. There could be new hope for protecting the plants, however, in the form of biodegradable paper made from banana waste.
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Although there are now biodegradable single-use electronic devices such as environmental sensors, the batteries in those devices can still pose an ecological problem. That's why scientists have now created a fully biodegradable paper-based battery.
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Anyone who uses a smartphone will be familiar with NFC technology, which is used for such things as contactless payments. To demonstrate the versatility of the technology when combined with printed circuitry, Prelonic has created the Paper Piano.
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In most grocery stores, all of the fresh produce is either pre-wrapped in plastic film or it gets placed in plastic bags – both of which are often discarded by consumers. A new bioactive paper bag, however, could serve the same purpose while being easily recyclable.
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Taking inspiration from the way sea cucumbers can strengthen their exterior when in danger, scientists in Germany have developed a novel wafer-thin paper material that can transition from firm to soft via an electrical switch.
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The Coca-Cola Company has announced it will be trialing a paper bottle prototype in a limited run of 2,000 later this year. The test sales of the plant-based beverage AdeZ will be conducted in Hungary through the e-grocery retailer Kifli.hu.
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Many "cold chain" items such as food or medicine are shipped in single-use expanded polystyrene foam (EPS) packaging, which is difficult to recycle and non-biodegradable. Such is not the case with a new material, however, made from discarded paper.
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When plants perform movements such as curling their leaves, they do so by drawing water into the cellulose fibers in that part of their "body." Scientists have now replicated that technique to produce self-folding paper structures.
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A typical sheet of paper or cardboard is neither waterproof, interactive or able to harvest energy, but an innovative new printing technology developed at Purdue University can make it all of the above.
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When you think of papier-mâché, school art projects and carnival floats may come to mind, but a team of architects has used strips of recycled paper and non-toxic glue to create pair of simple prototype shelters in rural Texas.
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The first PowerUp kit added an electric propeller to paper planes. Well, the latest version reportedly allows all sorts of things to fly.
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