Friday 25 August 2017

Faster, more precise, more stable: Study optimizes graphene growth

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Each atomic layer thin, tear-resistant, and stable. Graphene is seen as the material of the future. It is ideal for e.g. producing ultra-light electronics or highly stable mechanical components. But the wafer-thin carbon layers are difficult to produce. Scientists have manufactured self-supporting graphene membranes, and at the same time systematically investigated and optimized the growth of the graphene crystals.
via Science Daily

'Spectacular' imagery of total solar eclipse over U.S.

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Telescopes with sensitive, high-speed, visible-light and infrared cameras flew aboard NASA WB-57F research aircraft to gather data during the total solar eclipse.
via Science Daily
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Pleiades star cluster: Surprising variability

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The Seven Sisters, as they were known to the ancient Greeks, are now known to modern astronomers as the Pleiades star cluster – a set of stars which are visible to the naked eye and have been studied for thousands of years by cultures all over the world. Now astronomers have demonstrated a powerful new technique for observing stars such as these, which are ordinarily far too bright to look at with high performance telescopes.
via Science Daily
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Diamond Ring in a Cloudy Sky

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As the Moon's shadow swept across the US on August 21, eclipse chasers in the narrow path of totality were treated to a diamond ring in the sky. At the beginning and end of totality, the fleeting and beautiful effect often produces audible gasps from an amazed audience. It occurs just before or after the appearance of the faint solar corona with a brief ring of light and glimpse of Sun. In this scene from the end of totality at Central, South Carolina, clouds drift near the Sun's diamond ring in the sky.

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