The exhibition The Senses: Design Beyond Vision challenged Cooper Hewitt's conservation team in its innovative use of multisensory installations. Learn how conservators addressed specific object issues, including scratch-and-sniff wallpaper, pillows, and chocolate.

Have you ever noticed shimmering rainbows floating along puddles in the road? This bright iridescence is created by oil floating on the water, and is caused by the way light interacts with itself as it travels through the oil film to the water below. We often refer to this phenomenon as interference colors (good explanation...

Cooper Hewitt’s permanent collection includes more than 210,000 objects, which together span thirty centuries and reflect cultures from around the world. The Conservation Department’s main responsibility is the care and technical study of these pieces, to ensure their preservation for today and into the future.