Archive: 8/07/2011

Unfazed by imperfections

While insulating against electrical currents in their interior, the surface of materials called topological insulators permits the flow of electron spins relatively unhindered. The almost lossless flow of spin information ...

dateJul 08, 2011 in General Physics
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Spotify says US launch coming 'soon'

Swedish music streaming service Spotify said Friday it will launch shortly in the United States, where it is not currently available because of copyright issues.

dateJul 08, 2011 in Internet
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On Darwin and gender

In 1864, German naturalist Ernst Haeckel wrote to naturalist Charles Darwin, promising to send some marine shells that displayed “a detailed representation of the Rhizopod organism.” But for the “female members ...

dateJul 08, 2011 in Evolution
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Dawn team members check out spacecraft

( -- Mission managers for NASA's Dawn spacecraft are studying the spacecraft's ion propulsion system after Dawn experienced a loss of thrust on June 27. Dawn team members were able to trace the episode to an electronic ...

dateJul 08, 2011 in Space Exploration
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