Thought for the month

“Wealth consists not in having great possessions, but in having few wants.”

Epictetus, Greek philosopher (c50-135AD)

Thursday, 21 February 2013

In brief

The Las Vegas Consumer Electronics Show highlighted many novel gadgets. The floating easel Samsung TV will start at under $30,000 for the smaller 85-inch version.
A group at St Andrew’s University have found a way to generate a special optical field that efficiently reverses the radiation pressure of light producing a mini Star Trek tractor beam.
It is definitely quite small - scientists confirm the surprisingly small proton radius with laser spectroscopy of hydrogen.

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