Applied Science looks at a record, a CDROM, a DVD and a CED video disk with an electron microscope !
.
This is a really neat video:
source: https://www.youtube.com/watch?v=GuCdsyCWmt8
We had an electron microscope at GTE but it didn't work and no one could read the manual (it was in Japanese !) :)
I do remember the part about coating the target with something conductive which makes sense but I always thought carbon was used, here he uses silver.
His other videos are pretty neat as well - some people are just geniuses !
Best Regards,
Chuck, WB9KZY
http://wb9kzy.com/ham.htm