Clifford Stoll is awesome, definitely check out his TED talk!
I have one of these bottles made by him: https://www.flickr.com/photos/stianeikeland/2489219187/
They're pretty neat, but people often think I've a bong on display on my bookshelf. :p
I have one of these bottles made by him: https://www.flickr.com/photos/stianeikeland/2489219187/
They're pretty neat, but people often think I've a bong on display on my bookshelf. :p