Den 2007-09-04 20:55:37 skrev Peter P. : > Charles Craft mindspring.com> writes: >> of fluorescent fixtures. Is there any buzz with LED - new or old? > > I do not know about LEDs but I switched all the bulbs to FL three years ago > (there is one left that I never use). No noise and I will never look back. LEDs > will be interesting when they will compete with FLs in TCO. I am wondering when other light sources will be available. I have at my solering place two 70W metal halogen (gas discharge technology) -relatively large spotlights. They are just wonderful! Shines like two 200" "common" halogen, but much less heat and lower electricity bill. Unfortunately theese are not very stabl ein light putputs (flicker a bit) as the electronical supply systems are really hard to get to buy. They are used in fashion stores, etc. Really strange that this technology is not pushed more - it use much less power than normal flourescent tubes and bulbs. I also have read about microwave pumped sulfur gas lamps. Microwaves heat sulfur inside a glass ball untiul it becomes a bright shining plasma. 1kW in a small box. Problemis that they can not be made small, but they were tested some years ago in Stockholm in a tunnel where light guides conveyed the light and leaked it out here and there. Maybe we could have a light center in our house and only fiber optics to the lamps. There are even more technologies under way. To me it is just a wonder people are not aware... > There are FL ballasts for tube style fluorescent lights that make no noise and > are dimmable. ...And loose less power to heat than old inductor type. ...And make the tuber last longer. -- Morgan Olsson -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist