News tagged with light field

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 ...

Jul 08, 2013
4.9 / 5 (9) 1 | with audio podcast

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 ...

Jul 04, 2013
4.8 / 5 (13) 3 | with audio podcast

Multiview 3-D photography made simple

Computational photography is the use of clever light-gathering tricks and sophisticated algorithms to extract more information from the visual environment than traditional cameras can.

Jun 19, 2013
4.6 / 5 (10) 0 | with audio podcast

Hide and seek with a quantum compass

How would you look for something that can be in two 'places' at once? The answer, according to Oxford University research into a quantum phenomenon called superposition, seems to be to ask where it isn't ...

Mar 11, 2013
4.4 / 5 (10) 16 | with audio podcast

Final magnet girders installed at NSLS-II

(Phys.org) —In January, the last of 150 magnet girders was installed in the storage ring of the National Synchrotron Light Source II (NSLS-II), capping off a tremendous yearlong effort in which 843 magnets ...

Mar 07, 2013
5 / 5 (3) 0