[userbinator]

Jeri Ellsworth has gone "deeper" into the process and made a few transistors, although at a much larger scale:

https://www.youtube.com/watch?v=w_znRopGtbE

https://www.youtube.com/watch?v=-Qph8BNrnLY

[jacquesm]

To me this is far more impressive than any of the other stuff posted here. It's actually doing it rather than talking about it or faking the first 99.9% of it.