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Artificial muscles show more flex

Artificial muscles made significant gains when a literal twist in the development approach uncovered the tensile or stretchy abilities of polymer fibers once they were twisted and coiled into a spring-like geometry. Now, researchers have improved these tensile properties even further by focusing on the thermal properties of the polymer fiber and the molecular structure that makes best use of the chiral configuration.

Posted: Oct 31st, 2016

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Nanotechnology is making drugs more precise. But how?

If drugs could be targeted to exactly the right place in the body, we could probably do with significantly smaller doses - and consequently fewer side effects. To allow for such precise delivery, we need tiny nanocarriers and even smaller nanotrackers to monitor them. Researchers are working on both of these.

Posted: Oct 31st, 2016

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New surfaces repel water in oil as well as oil in water

Researchers have developed new surface materials that are extremely difficult to wet both by water and oil. Because they don't need isolating air to stay trapped between the droplet and rough surface to prevent wetting, these surface materials work even when wet by another liquid.

Posted: Oct 28th, 2016

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Novel light sources made of two-dimensional materials

Physicists have designed a light source that emits photon pairs. Two-photon sources are particularly well suited for tap-proof data encryption. The experiment's key ingredients: a semiconductor crystal and some sticky tape.

Posted: Oct 28th, 2016

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Nanotechnology engineers design an infinitesimal computing device

Engineers have developed a design for a functional nanoscale computing device. The concept involves a dense, three-dimensional circuit operating on an unconventional type of logic that could, theoretically, be packed into a block no bigger than 50 nanometers on any side.

Posted: Oct 27th, 2016

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Metamaterial device allows chameleon-like behavior in the infrared

An electric current will not only heat a hybrid metamaterial, but will also trigger it to change state and fade into the background like a chameleon in what may be the proof-of-concept of the first controllable metamaterial device, or metadevice, according to a team of engineers.

Posted: Oct 27th, 2016

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