- Brand X fluourescent lighting
- The UV Thread
- Twice as Efficient -- and Lasts "Forever"
- Why the wide pitch on RGB LED displays?
- Filter Sampler
- 100,000 lumens - I want one !
- Time Fountain
- Solar power cree yard lights
- Glowrings.... Are they legal yet?
- Calculating light output from RGB leds
- Homemade nightlight
- For you brilliant electronic wizards.....a question
- Anyone know of alternate holsters for Fenix?
- Fluorescent Light Bulbs Can Become 'Toxic Time Bombs' !!
- UV light: Effects on Tritium?
- night vision and red lights
- Lights & Night Fishing
- Output of a camera flash in lumens?
- 60 watt incandesent LED replacement?
- LED eclipse tail light conversion
- my first experience with CFL's
- CFL Electrodeless lamps are here!
- Durability of 110V LED bulbs?
- Aquarium Moonlighting
- A couple light questions.
- LED Replacement Bulbs for Nightlights
- Good LEDs For General Illumination
- Low pressure sodium?
- Lumen to foot-candle conversion
- Need Help finding a Battery Solution.
- Lux Meter Recommendations
- at what wavelength does UV become harmful?
- Misapplication of the inverse square law
- Are CFLs The New "Normal" Light Bulb?
- Brighter bulbs for outdoor landscape lighting?
- Full-spectrum lighting does not improve sales at restaurants
- D cell? What the ?!?
- How Many Lumens Does Our Sun Produce?
- Osram Dulux Mini
- Seoul Semiconductor Unveils "World's Brightest" Single LED of 420 Lumens
- Lighting up around a home in the country?
- LED-Streetlight by 5mm leds
- Candlepower to Lumen conversion
- LED Christmas Lights, 2007
- Best way to charactize beams
- Remote activated beacon
- Register: LEDs replace hands in bonkers Japanese watches
- Long time reader, registered a few years ago, but...
- Affects of IR light on nightvision ...
- any solar panel that can recharge batteries?