In the future, do not need special lamps, to provide lighting in your room a different shade – you can simply change the color of window. Scientists at Rice University have discovered, you can change the color, which passes through the glass, connecting the voltage on the gold and silver nanoparticles, often used in stained-glass windows.
Using one direction of current can be bright red, and in the opposite direction, you get a blue tint. Tension creates or removes chemical bonds between the particles.
The technology is still far from production, so do not rush to contrive repairs. Yet, need a small amount of precious metals, To get this effect.
