Altering 1 way switch wiring to 2 or more ways without adding new cable
CFL Gallery
car lights keep blowing
Don's Expert Lighting Site
Flicker free lighting for filming
Fluorescent lights in cold temperatures
Light diffusing materials
Make an LED floodlight - white, colour or colour changing
Lighting Efficacy Table
Paralleling PIRs
PIR says on all the time
Repair a touch lamp
Shop lighting tips
Wikipedia Lighting Efficiency
BulbsTubes