These are some pretty impressive uses for heat sensitive paint used by Shi Yuan. The poster above reacts when you touch it. The wallpaper reacts to a rise in temperature, and the calendar fades away during the day. It's a wonder why people aren't currently marketing these kinds of things to every day users.

Wallpaper

Calendar

This is an awesome photoetched Christmas and New Year's card made of .2mm hardened steel. It was created by Daniel Bjugård in collaboration with Mikroponent AB. It's a pretty awesome take on a normally conventional product.

This great looking food tote by Mélangerie features illustrations of a unique food from each US state. It's a combination of two of my favorite things: food and design.