Optical rotatum” is the term researchers coined to describe a newly discovered structure of light. Beams of light that can be shaped into corkscrew-like forms, known as optical vortices, are used ...

The simple graphics were actually ... a 4-watt RGB laser projector for light shows and displays. Using the laser as a replacement for the CRT’s electron beam, [Seb] was able to code a reasonably ...

Graphic: How the APS Works The X-rays are ... The trick, says Wasielewski, is getting the catalyst and the light receptor to work together. The researchers use both lasers and the APS beam to follow ...