News tagged with silica

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Why have Murillo's skies turned grey?

Smalt was one of the blue pigments the most commonly used by the artists between the 16th and 18th centuries. Unfortunately, this pigment is unstable and tends to fade with time. Researchers from the new European ...

May 19, 2011
4.5 / 5 (2) 0

Electron ping pong in the nano-world

(PhysOrg.com) -- An international team of researchers succeeded at the Max Planck Institute of Quantum Optics to control and monitor strongly accelerated electrons from nano-spheres with extremely short and ...

Apr 25, 2011
5 / 5 (2) 0 | with audio podcast

Skeletons in the pre-Cambrian closet

The Cambrian explosion marked a major blossoming in the tree of life around 540 million years ago. Nearly all of the major phyla in the animal kingdom appeared in a sudden burst of evolution. One of the drivers ...

Jan 07, 2011
4.9 / 5 (14) 3 | with audio podcast