The last century has witnessed an amazing light show, what started with T. Edison’s breakthrough of the incandescent has been reimagined with miniature fluorescents and now LEDs, light emitting diodes. The diode in our time seemingly endowed with magical properties, this the detail at the core of every microcircuit and cellphone, now part of a lighting revolution. To the end, it’s goodbye Tom Edison.

Lighting consumes 11 percent of the total electrical power of the continental U.S., to include the 50 percent wasted as night lighting polluting the one pristine environment of our planet, the night sky. Behaviorists and psychologists associate everything from heart disease, hypertension, insomnia, indigestion and bed-wetting to the absence of dark night for urban lives.

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