News tagged with beams of light

Scientists twist light to send data

(Phys.org) -- A multi-national team led by USC with researchers hailing from the U.S., China, Pakistan and Israel has developed a system of transmitting data using twisted beams of light at ultra-high speeds ...

Jun 25, 2012 4.9 / 5 (24) 10 | with audio podcast

Photonics: Beam me up

'Tractor beams' of light that pull objects towards them are no longer science fiction. Haifeng Wang at the A*STAR Data Storage Institute and co-workers have now demonstrated how a tractor beam can in fact be realized on a ...

May 24, 2012 4.7 / 5 (6) 0

Measuring magnetic fields

(Phys.org) -- Polarized light is a familiar phenomenon, as people who prefer polarized sunglasses can testify. The electric field in a beam of light can vibrate either left-right or up-down, and the scattering ...

Apr 09, 2012 5 / 5 (3) 0 | with audio podcast