This is awesome photography and will convince you that perhaps there is some Magical “Slinky Antigravity Technology” involved that keeps the bottom motionless as the top of the Slinky descends.

[youtube http://www.youtube.com/watch?v=uiyMuHuCFo4&w=560&h=315]

Unless you can  get your head around the idea of the slinky as a system and some fundamental physics concepts.

A tip of the  hat to the folks at Questacon who did the slow motion Photography.

And to Kottke.org one of the longest running and most interesting blogs out there.