Scotch tape for producing X-Rays

I found a very interesting article about scientists creating X-Rays
from peeling open Scotch tape. This is a remarkable breakthrough since
you would therefore no longer require hazardous radioisotopes to do
the job.

You can read the article with a included video at
http://blog.wired.com/wiredscience/2008/10/video-the-scotc.html