video shows how to make solar “soda bottle” light bulbs. “full spectrum” natural sunlight has been shown to be the best type of light overall for general health and well being. and it’s free!
Post time: Jan-27-2017
Post time: Jan-27-2017
video shows how to make solar “soda bottle” light bulbs. “full spectrum” natural sunlight has been shown to be the best type of light overall for general health and well being. and it’s free!