Solar Powered Toothbrush Doesn’t Use Toothpaste
A toothbrush design by Dr. Kunio Komiyama, a dentistry professor emeritus at the University of Saskatchewan relies on solar power and a chemical reaction to …
Tag: dr. kunio komiyama
A toothbrush design by Dr. Kunio Komiyama, a dentistry professor emeritus at the University of Saskatchewan relies on solar power and a chemical reaction to …