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Engineering a Better Solar Cell: UW Research Pinpoints Defects in Popular Perovskites

A new study published online April 30 in the journal Science by University of Washington and University of Oxford researchers demonstrates that perovskite materials - superefficient crystal structures that have recently taken the scientific community by storm - contain flaws that can be engineered to improve solar cells and other devices even further.

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EMBARGOED

A reporter's PressPass is required to access this story until the embargo expires on 5-May-2015 11:00 AM EDT

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Touch Sensors on Bat Wings Guide Flight

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Bats must rapidly integrate different types of sensory information to catch insects and avoid obstacles while flying. A study shows, for the first time, that a unique array of sensory receptors in the wing provides feedback to a bat during flight. The findings also suggest that neurons in the bat brain respond to incoming airflow and touch signals, triggering rapid adjustments in wing position to optimize flight control.

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Trending Stories Report for 29 April 2015

Trending news releases with the most views in a single day. Topics include: lung cancer surgery, childhood obesity, physics, imaging, nutrition, civil unrest in Baltimore, Nepal earthquake.

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Trending Stories Report for 28 April 2015

Trending news releases with the most views in a single day. Topics include: Underage drinking, dieting, electrical engineering, neurology and genetics, Nepal earthquake, breast cancer, and supercomputing.

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Ultrafast Camera Captures Images at the Speed of Light

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An NIBIB grantee has developed an ultrafast camera that can acquire two-dimensional images at 100 billion frames per second, a speed capable of revealing light pulses and other phenomena previously too fast to be observed.

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Geotechnical Engineer Available to Comment on Earthquake in Nepal

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Digital in-Line Holography Helps Researchers 'See' Into Fiery Fuels

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Transportation accidents, such as trucks crashing on a highway or rockets failing on a launch pad, can create catastrophic fires. Sandia National Laboratories researchers have developed 3-D measurement techniques based on digital in-line holography because it’s important to understand how burning droplets of fuel are generated and behave in such extreme cases.

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Two-Dimensional Semiconductor Comes Clean

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Columbia Engineering Professor James Hone led a team in 2013 that dramatically improved the performance of graphene by encapsulating it in boron nitride. They’ve now shown they can similarly improve the performance of another 2D material, molybdenum disulfide (MoS2. Their findings provide a demonstration of how to study all 2D materials and hold great promise for a broad range of applications including high-performance electronics, detection and emission of light, and chemical/bio-sensing. Nature Nanotechnology , week of April 27, 2015

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Trending Stories Report for 24 April 2015

Trending news releases with the most views in a single day. Topics include: exercise and obesity, Focused Ultrasound to treat uterine fibroids, neurology, diet supplements and cancer (day 4 in top 10), genetics, geology, skin cancer, sleep and Alzheimer's, and water conservation.