three minutes

Slinky On A Treadmill…Why? Because It’s There [Video]
Slinky On A Treadmill…Why? Because It’s There [Video]
Slinky On A Treadmill…Why? Because It’s There [Video]
You would have to be pretty bored to come up with this one. This guy had nothing better to do so, he put a Slinky on a treadmill to see how long he could get it to 'walk'.  He had seen something that talked about the record for a Slinky on a treadmill being about 22 seconds or so.