Before watching the following video, consider how you'd balance 11 nails on top of a single nail in a board. Think you could do it? Check out this guy's solution:
Hit play or go to Link [YouTube] to watch. I would have probably spent hours trying to balance them end on end.
Cool. Reckon how many drinks he's won doing this in a bar?
I didn't have to watch this to know what it was. I figured that puzzle out when I was six or seven to the astonishment of many. Unfortunately, it was a one-time thing, and I have since become a complete loser. BUT! I HAD PROMISE!
Oh, haha. So that's how that worked. I was at Science World 3 days ago where there are lots of puzzles like this one along with many neat science gadgets, games and displays. I saw this puzzle and was completely baffled.