strange toys

this is very cool and very curious. a slinky, dropped from high, maintains the position and height-above-ground of it's bottom portion until the top has collapsed to the bottom's position. and if you watch the first part of the video, at 1:30 it shows where the top portion actually PASSES the bottom portion on its way to the ground. whoever would have thought? it doesn't seem possible. but there it is. i wasn't interested enough to listen to the explanation, just will remember the image. very strange.