Take a Walk Through Life with LED Light: The Wonders and Power of LED by Joyce O
48,85 €
Over 120 years ago, a doctor began using colored light to treat his patients. Only now are we beginning to discover this pioneer was right all along. Take a Walk through Life with LED Light describes the amazing possibilities of red and blue light-emitting diodes, as told by a woman who has seen firsthand how versatile and exciting noninvasive LED therapy can be.
Jetzt bei Ebay: