I like too much your work.
I teach Technology in a Secndary School in Spain and I use to make machines like yours, but not as sofisticate. You can see an example at www.pedro-jara.blogspot.com.r/>I have visited your web too and I like it too much, particulary the tools you make and yours explacations.
Thans you very much for all.

great stuff man
sucks that you get all that spam

I wish i was as smart as you.

Your videos are very interesting, keep up the good work.

good work

cool stuff!