Also some of the Lightbulbs have printed on there packages warnings saying that the lightbulbs may interfear with some things operating mainliny on the frequencys between .5 and 30mhz
Some things like remotes and some communication equipment. I still use them in places around the house that the light stays on alot..like the porches and the garage and the bathrooms.
Infact *Finds A Wrapper For GE 100 watt long life energy saveer bulb*
It says and i quote
"but may cause interference to radios,Televisions,wireless telephones, and remote controls. Avoid placing this product near these devices. If interference occurs, move product away from the device or plug either into a different outlet. Do not install this product maritime safety equipment or critical navigation or communication equipment operating between 0.45-30MHz"