News tagged with electrical signals

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Making frequency-hopping radios practical

The way in which radio spectrum is currently allocated to different wireless technologies can lead to gross inefficiencies. In some regions, for instance, the frequencies used by cellphones can be desperately ...

dateMay 15, 2013 in Semiconductors
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How to overcome the oxide barrier

(Phys.org) —Researchers at Pacific Northwest National Laboratory have uncovered the characteristics of a low-resistance electrical contact to strontium titanate, SrTiO3, an important prototypical oxide semi ...

dateMay 13, 2013 in Nanomaterials
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Mars and the machine

Without hi-tech magnetic sensors, rovers wouldn't be able to roam around Mars. These same sensors will soon boost terrestrial travel by improving the machinery that moulds parts for cars and aircraft here ...

dateApr 23, 2013 in Space Exploration
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