Blu Room(R) - a field with unimaginable potential With foreword by Dr. Matthew Martinez, Co-developer of the Blu Room The author takes the reader on an exciting journey through the world of blue light, the sound spheres, architectures and the frequencies that unite in the Blu Room(R). Irmgard Gräf provides answers of such clarity that anyone who is curious can understand them. A unique book with many photos and graphics. "The book vividly introduces us to the invisible mechanisms of light and frequency. Gräf enlightens us with the new Blu Room(R) technology in an exciting way. Light, frequency and sound combine and the reader feels carried by the blue light. Absolutely recommended for the entrance into the groundbreaking Blu Room(R) technology". Alexander Martens, graduate sports scientist