Temperature sensitive glass
Temperature sensitive glass is a glass material that reacts to ambient temperatures radiated off of other surfaces, e.g. hands or water. The liquid crystals beneath the glass surface impact color upon temperature. There are three main phases of these crystals: nematic, smectic, and chiral.
Process
Liquid crystal phases
Visual glass goes through a gradual progression while altering colors stages in different heat zones. In order for specific light wavelengths to be reflected off of a temperature sensitive glass, it has to go through one of three main heat phases. In accelerated temperature zones, the crystals respond in the nematic phase. Smectic is in the range of temperatures between that of its neighbors nematic and chiral. These phases are impacted by the pitch which in return reflects specific wavelengths.Pitch effects
Temperature changes the distance between the pitch planes.Pitch tightens with an increase temperature and expands when temperature plummets.
The crystal's pitch is the distance it takes one crystal to make one complete rotation. This determines the wavelength of light that will be reflected and therefore determines the color. The pitch is equal to the corresponding wavelength of light.