1. Open up webcam
2. Remove IR filter
3. Insert photo negative material to block visible light
4. Reassemble webcam
5. Play with looking at everyday stuff in the IR spectrum
– navy blue fleece turns white!
– my eyebrows disappear!
– US passport picture page goes blank (except for lettering)!
– UK passport first page has a wide diagonal blank strip!
– surprise your family with video-IM!
Tons of fun.