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Hopefully, someday the science wizards at DuPont will make a material using this technology. If you're like me, and have bad laundry karma, you could use Quantum Socks.

"Spooky action at a distance" could be utilized to let you know if a lost sock is worth searching for. The unmatched sock would indicate to you if the other sock has been "intercepted." In theory, someone could take a sock and then make an effort to return it - but lets face it, mankind is not that morally advanced! On the other hand, in the rare case you aquire a sock, it would indicate to you that it was not really your sock.

Obviously, this technology could be applied to a wide range of apparel.

Encoding an image with JPEG involves a fairly complex mathematical process, which is relatively CPU intensive. It's not really possible to produce a "lightweight" JPEG compressor. Having said that, with the speed of modern CPUs, it doesn't need to be particularly lightweight, and such a library could now be feasibly produced. However, the sort of images that can be dynamically produced don't tend to lend themselves to JPEG anyway...

Try ImageMagick and PerlMagick. You can create images on the fly and save them to just about *ANY* graphic file format.

www.wizards.dupont.com/magick/

I used this stuff to create a web-based coloring book. Have a peek at:

www.dartfirststate.com/color/