The same company behind the purple beam atop Golden 1 Center was doing a demonstration of its mobile beam van.

UC Berkeley scientists used lasers to create a new color, “olo,” letting humans see a vivid blue-green never seen before.

[Seb] is a digital artist by trade, and has at the ready 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 ...