The argument over the toughest athlete will have to continue, but as to which sport has the toughest thing-that-you-play-with — it’s clearly hockey. But don’t take my word for it, check out the video below of a red-hot ball of nickel being placed on a hockey puck. It’s this weekend’s edition of pointless, but awesome.
And if you’re interested in the science behind the experiment, get some book learning here.