Thought for the month

“Wise men speak because they have something to say; fools because they have to say something.” Often attributed to Plato but no actually verifiable Greek source.

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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