Attaining precise sample alignment under extreme conditions

The exact angular alignment of sample materials for the determination of their physical properties under extreme conditions is often difficult. Engineer Stefan Findeisen and physicist Dr. Hannes Kühne from the Helmholtz-Zentrum ...

Amid privacy firestorm, Facebook curbs research tool

Facebook has curbed access to a controversial feature allowing searches of the vast content within the social network—a tool which raised privacy concerns but was also used for research and investigative journalism.

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