If you’re like us, you’ve always wondered what happens when you put a slinky on a treadmill and let it do its slinky thing. Thankfully, we have the Internet and don’t have to wonder about these types ...

And makes a slinkity sound? Unless you have somehow lived an existence free of a certain metal coil toy, you probably can figure out that this refers to the Slinky. The classic toy -- the one that's ...