Thought for the month

“To know yet to think that one does not know is best; Not to know yet to think that one knows will lead to difficulty.” Lao Tzu, philosopher (6th century BCE).

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.

No comments:

Post a Comment