26/09/2016

Physicists create nanoscale mirror with only 2000 atoms

Mirrors are the simplest means to manipulate light propagation. Usually, a mirror is a macroscopic object composed of a very large number of atoms. In the September 23th issue of the Physical Review Letters, Prof. Julien ...

Melting Greenland ice threatens to expose Cold War waste

A snow-covered former US army base in Greenland—dubbed "a city under ice"—could leak pollutants into the environment as the climate changes, raising difficult questions over who is responsible for a clean-up.

Rosetta: What did Europe's comet mission uncover?

Europe's Rosetta spacecraft, due to switch off Friday (Sept 30) after a 12-year odyssey, carried 11 scientific instruments to sniff, smell and photograph a comet from all angles.

Rosetta: How to end the fairytale

Once upon a time, two intrepid space adventurers called Rosetta and Philae set out from Earth to explore a comet far, far away.

Rosetta: The end of a space odyssey

Europe's trailblazing deep-space comet exploration for clues to the origins of the Solar System ends Friday with the Rosetta orbiter joining robot lab Philae on the iceball's dusty surface for eternity.

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