How do you make a bicycle more visible to drivers at night? Create a new wheel-based lighting system: Vimeo / Youtube. Kickstarter campaign is finished and funded, (details of the design at that page) and the company is hoping to have them on sale by March 2012. Via. More. Demo videos. [more inside]
posted by zarq on Dec 12, 2011 - 47 comments

Resources for lighting designers and enthusiasts: The Lighting Wiki; [extensive] Glossary of Lighting Terminology (and another); Lighting Design Resources (inc. "Fun with Light"; and Professional Lighting Resources.
posted by nthdegx on Feb 16, 2005 - 4 comments

The end of the light bulb? E. Fred Schubert, a professor at Rensselaer Polytechnic Institute "claims to have invented a 99-percent efficient reflector that promises to speed the replacement of light bulbs with LEDs." According to researchers, this could happen within the next five years. The current prototype is bankrolled by the ARPA and The National Science Foundation "recently award Schubert's team a $210,000 grant to create in three years a commercial version of his patented omnidirectional reflector."

"Schubert claimed that lighting accounts for 25 percent of U.S. electrical energy consumption. Since white LEDs emit more light per dollar and generate less unwanted heat, they are potentially a major energy saver." (see EE Times link)

Meanwhile, some of the oldtimers seem to be pretty refractory.
posted by tcp on Jul 24, 2004 - 10 comments

High Tec Shadow Play 'In Rotterdam, Canadian artist Rafael Lozano-Hemmer used two 7000 watt lamps to create 1200 square metres of projected images which were overlayed by the shadows of passer-by's. A computer based tracking system monitored the shadows. Once the shadows matched the projected image, a new image (or "scene") was triggered. ' An impressive (if extravagant) bit of public art (QuickTime)
posted by rolo on Jan 31, 2003 - 15 comments