Also > • Tiles that appear black at room temperature and move through the color > spectrum when temperature (warm water, radiant heat, etc.) is applied. N

Also > • Tiles that appear black at room temperature and move through the color > spectrum when temperature (warm water, radiant heat, etc.) is applied. Now I want a shower curtain thats translucent when in ambient temperature, then turns (red/green/white/black/whatever) while the shower is on (hot water).