You should be aiming to illuminate your indoor daytime environment with natural outdoor light, not electrical lighting products.

Dr. John Nash Ott had discovered by 1987 that glass, artificial light sources, electricity and electronic systems were having extensive detrimental effects on plants, animals and humans.

I routinely use my blue sky "Device" and it works very well for me.

It may be possible that Leukemia in children is linked to the location of the fuse board and the electrical meter on the home.

I call supplementing with electrolytes and metals: The Electrical Chemistry of the Human

The backbone of the electrical grid is largely massive numbers of steam driven engines that turn electrical generators.