News tagged with imperfections

Researchers solve the mystery of nanowire breakage

Most materials will break when a force is applied to an imperfection in their structure—such as a notch or dislocation. The behavior of these imperfections, and the resulting breakage, differ markedly between small structures, ...

dateSep 12, 2012 in Nanophysics
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Bringing telescope tech to X-ray lasers

( -- Technology that helps ground-based telescopes cut through the haze of Earth's atmosphere to get a clearer view of the heavens may also be used to collect better data at cutting-edge X-ray lasers like the Linac ...

dateJul 11, 2012 in General Physics
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Seeing inside the nose of an aircraft

Radio signals reach pilots on board an aircraft through the "radar dome", the rounded nose of the aircraft. But if errors occur during the production of this "nose", - tiny foreign particles, drops of water or air bubbles ...

dateApr 26, 2012 in Engineering
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Diamonds are a probe’s best friend

Surface imperfections in devices such as gears or levers can have disastrous effects on reliability. Recent studies have demonstrated the usefulness of atomic force microscopes (AFMs) — instruments that use tiny silicon-based ...

dateMar 01, 2012 in Nanophysics
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Making quantum cryptography truly secure

Quantum key distribution (QKD) is an advanced tool for secure computer-based interactions, providing confidential communication between two remote parties by enabling them to construct a shared secret key during the course ...

dateJun 14, 2011 in Quantum Physics
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