News tagged with light field

Spinning atoms in light crystals

(Phys.org) —After more than 40 years of intense research, experimental physicists still seek to explore the rich behaviour of electrons confined to a two-dimensional crystalline structure exposed to large ...

dateOct 30, 2013 in Quantum Physics
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Pushing microscopy beyond standard limits

Engineers at the California Institute of Technology (Caltech) have devised a method to convert a relatively inexpensive conventional microscope into a billion-pixel imaging system that significantly outperforms ...

dateJul 29, 2013 in Optics & Photonics
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Researchers develop light transistor

TU Vienna has managed to turn the oscillation direction of beams of light – simply by applying an electrical current to a special material. This way, a transistor can be built that functions with light ...

dateJul 08, 2013 in General Physics
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Star Tau Boo's baffling magnetic flips

(Phys.org) —The first observations of the complete magnetic cycle of a star other than the Sun are proving a puzzle to astronomers. Tau Boötis, known as Tau Boo (τ Boo), is a yellowish star that is a ...

dateJul 04, 2013 in Astronomy
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