Seriously. It's hard to say who the human race Could Not Do Without, but I'm pretty sure Isaac Newton would make just about anybody's short list. Who else would be on there? Well, let's just step on over to the Frederick Facebook page and ponder over that...

- Count Dolby von Luckner

This episode features a special cameo by Newton's universal law of gravitation.

One of the few questions that I had 100% correct on my mechanics final during freshman year involved the universal law of gravitation. So, thanks for that question, Prof. Cabrera.

--Geoff