You read that right, the new $100 bill has an innovative 3D security ribbon as well as a color-changing inkwell. The latter causes the bill to change “color from copper to green when the note is tilted.” The new 100 dollar bill is set to enter circulation in February 2011. Here’s how the 3D security ribbon works:
The strip contains a series of images of bells and digits; tip the note, and the images come into 3D relief. And you don’t even need a pair of those dorky 3D glasses to make sure you’re looking at a genuine Benjamin.