The YouTube channel featuring "The Slow Mo Guys" always fascinates me - watching things move in slow motion is intriguing, especially when things are hitting other things.
But in this case, it's the falling motion that's interesting - watch as a Slinky collapses on itself before dropping - when you watch the video, the bottom of the toy seems to float in mid-air before it falls.
Maybe the MinutePhysics guy can explain why this is the case in a future video.
Keith Shaw rounds up the best in geek video in his ITworld.tv blog. Follow Keith on Twitter at @shawkeith. For the latest IT news, analysis and how-tos, follow ITworld on Twitter, Facebook, and Google+.