File this one under super cool. Maybe you remember when you were a kid, or you have kids now, an have put glow in the dark stars on the ceiling? That kind of excitement never really goes away. But now, as an adult you’d probably like something a little more mature, right?
Shiyuan has come up with a very trick idea; heat sensitive wall paper. Now, forget about the example if floral patterns are not your thing. Imagine what sort of designs could be created? Wallpaper is making a comeback, no doubt. Just check out what Millennium Water has going on in some of the rooms and the bathroom (especially) for what a modern wallpaper treatment looks like. Now imagine if you could have a whole second overlay appear when the room warms up? I love it.
Here it is with the radiator turned off:

And look what appears with the radiator on! Red blossoms come out in Spring.

I wonder how long it will be till something like this is actually available here.
Vancouver, BC 