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All directions are not created equal for nanoscale heat sources

Thermal considerations are rapidly becoming one of the most serious design constraints in microelectronics, especially on submicron scale lengths. A new study has shown that standard thermal models will lead to the wrong answer in a three-dimensional heat-transfer problem if the dimensions of the heating element are on the order of one micron or smaller.

Posted: Oct 1st, 2014

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Novel approach to magnetic measurements atom-by-atom

Having the possibility to measure magnetic properties of materials at atomic precision is one of the important goals of today's experimental physics. Researchers propose a new method, utilizing properties of the quantum world - the phase of the electron beam - to detect magnetism with atom-by-atom precision.

Posted: Oct 1st, 2014

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Ultrafast remote switching of light emission

Researchers can now for the first time remotely control a miniature light source at timescales of 200 trillionth of a second. They have developed a way of remotely controlling the nanoscale light sources at an extremely short timescale. These light sources are needed to be able to transmit quantum information.

Posted: Oct 1st, 2014

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Blades of grass inspire advance in organic solar cells

Using a bio-mimicking analog of one of nature's most efficient light-harvesting structures, blades of grass, a research team has taken a major step in developing long-sought polymer architecture to boost power-conversion efficiency of light to electricityA breakthrough in morphology control should have widespread use in solar cells, batteries and vertical transistors.

Posted: Sep 30th, 2014

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Taking thin films to the extreme

Layering rough surfaces with nanometer-thin optical interference coatings opens new array of possible applications, such as nearly weight-free logos on the sides of spacecraft.

Posted: Sep 30th, 2014

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Entanglement made tangible

Scientists have designed a first-ever experiment for demonstrating quantum entanglement in the macroscopic realm. Unlike other such proposals, the experiment is relatively easy to set up and run with existing semiconductor devices.

Posted: Sep 30th, 2014

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New material steals oxygen from air

Researchers have synthesized crystalline materials that can bind and store oxygen in high concentrations. Just one spoon of the substance is enough to absorb all the oxygen in a room. The stored oxygen can be released again when and where it is needed.

Posted: Sep 30th, 2014

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Animation: Metastasis and angiogenesis (w/video)

In this animation you can see how metastasis and angiogenesis occur. Metastasis, or metastatic disease, is the spread of a cancer from one organ to another. This is first animation from series about oncology and cancer genesis.

Posted: Sep 30th, 2014

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At the interface of math and science

In popular culture, mathematics is often deemed inaccessible or esoteric. Yet in the modern world, it plays an ever more important role in our daily lives and a decisive role in the discovery and development of new ideas - often behind the scenes.

Posted: Sep 30th, 2014

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