Monday 8 May 2017

Organic electronics: Semiconductors as decal stickers

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No more error-prone evaporation deposition, drop casting or printing: Scientists have developed organic semiconductor nanosheets, which can easily be removed from a growth substrate and placed on other substrates.
via Science Daily

Chemical engineer explains oxygen mystery on comets

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A chemical engineer who normally develops new ways to fabricate microprocessors in computers has figured out how to explain a nagging mystery in space -- why comets expel oxygen gas, the same gas we humans breathe.
via Science Daily
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Space weather model simulates solar storms from nowhere

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A kind of solar storm has puzzled scientists for its lack of typical warning signs: They seem to come from nowhere, and scientists call them stealth CMEs. Now, scientists have developed a model simulating their evolution.
via Science Daily
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A Light for Science, and Cooperation, in the Middle East

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The Sesame Institute will use synchrotron light to study materials ranging from exotic semiconductors to viruses.
via New York Times

Why Everything We Know About Salt May Be Wrong

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Research on Russian cosmonauts suggests that salt makes you hungry but not thirsty, and may help burn calories.
via New York Times

Geniuses Wanted: NASA Challenges Coders to Speed Up Its Supercomputer

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The Pleiades, a NASA supercomputer, isn’t working as quickly as it could. So NASA is offering cash prizes to programmers with fresh ideas.
via New York Times

Chemically tailored graphene

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Graphene is considered as one of the most promising new materials. However, the systematic insertion of chemically bound atoms and molecules to control its properties is still a major challenge. Now, for the first time, scientists have succeeded in precisely verifying the spectral fingerprint of such compounds in both theory and experiment.
via Science Daily

Ancient Ogunquit Beach on Mars

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This was once a beach -- on ancient Mars. The featured 360-degree panorama, horizontally compressed, was taken by the robotic Curiosity rover currently exploring the red planet. Named Ogunquit Beach after its terrestrial counterpart, evidence shows that at times long ago the area was underwater, while at other times it was at the edge of an ancient lake. The light peak in the central background is the top of Mount Sharp, the central feature in Gale Crater where Curiosity has been deployed. Curiosity is slowly ascending Mount Sharp. Portions of the dark sands in the foreground have been scooped up for analysis. The light colored bedrock is composed of sediment that likely settled at the bottom of the now-dried lakebed. The featured panorama (interactive version here) was created from over 100 images acquired in late March and seemingly signed by the rover on the lower left. Currently, Curiosity is carefully crossing deep megaripples of dark sands on its way to explore Vera Rubin Ridge.

Zazzle Space Gifts for young and old

I spy…

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Space Science Image of the Week: Looking into the Cheops telescope that will study planets circling other stars
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2017/05/Looking_into_the_Cheops_telescope_tube