Tuesday 16 February 2016

Graphene becomes superconductive: Electrons with 'no mass' flow with 'no resistance'

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Graphene is a single-atomic carbon sheet with a hexagonal honeycomb network. Electrons in graphene take a special electronic state called Dirac-cone where they behave as if they have no mass. This allows them to flow at very high speed, giving graphene a very high level of electrical conductivity.
via Science Daily

First detection of gases at super-Earth show a light-weight, dry atmosphere - with a hint of carbon too?

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The first successful detection of gases in the atmosphere of a super-Earth reveals the presence of hydrogen and helium, but no water vapor. The exotic exoplanet, 55 Cancri e, is over eight times the mass of Earth and has previously been dubbed the 'diamond planet' because models based on its mass and radius have led some astronomers to speculate that its interior is carbon-rich. Now researchers have been able to examine the atmosphere of 55 Cancri e, also known as 'Janssen', in unprecedented detail.
via Science Daily
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Star Forming Region S106

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Test cubes floating freely inside LISA Pathfinder

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ESA’s LISA Pathfinder has released both of its gold–platinum cubes, and will shortly begin its demanding science mission, placing these test masses in the most precise freefall ever obtained to demonstrate technologies for observing gravitational waves from space.


via ESA Space Science
http://www.esa.int/Our_Activities/Space_Science/Test_cubes_floating_freely_inside_LISA_Pathfinder