23/02/2011

Nobel Medicine files stolen before 2010 award: jury

The evaluation documents on IVF pioneer Robert Edwards, who won the 2010 Nobel Medicine Prize, were stolen a few months before the award was announced, the Nobel committee said Wednesday.

Higher energy yield with torque vectoring gears

Wind turbines have a problem: Depending on the wind's force, the rotational speed of the turbine and thus of the generator changes. However, alternating current must be fed into the grid with precisely 50 (or 60) hertz. Typically ...

Designing a city for safe protests

Civil protests, from peaceful sit-ins at the Pentagon to violent riots in Cairo, nonetheless share some common characteristics. To study how protests evolve in public spaces, Dr. Tali Hatuka, an architect and head of Tel ...

Etched quantum dots shape up as single photon emitters

(PhysOrg.com) -- Like snowflakes or fingerprints, no two quantum dots are identical. But a new etching method for shaping and positioning these semiconductor nanocrystals might change that. What's more, tests at the National ...

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