I'm a huge fan of Ben's. In all honesty Zbignew was definitely more talented at munging together homebrew instruments. But who could compete with that old timey

I'm a huge fan of Ben's. In all honesty Zbignew was definitely more talented at munging together homebrew instruments. But who could compete with that old timey eastern bloc science curriculum ;). I think Ben's misused over there at google. He should be designing the national high school science lab curriculum.