...Lighting design makes it positionable, is one of those ways lighting designers make the intangibility of light's energy a tangible good, make light useful and practical, and as 100 Years of Positionable Light very elegantly, coherently, and satisfyingly nerdily, underscores, while positionable light may not have arrived with the primordial glow of the Big Bang, it is a functionality of light that was sought as soon as technology made it possible, and a functionality of light which designers have continued to evolve and develop over the decades, and will continue to do so, for who can imagine a world without a lamp you can freely position with one hand...