[grape ape]

..or if it is even a drill bit at all. I'm of course looking at the metal structure that is below the ferrofluid.

YouTube - Sachiko Kodama, Yasushi Miyajima "Morpho Towers -- Two Stand

 

[appophylite]

I don't think it is actually a drill-bit, but if it is, it looks to be a 'spudding' bit - the kind used to break virgin ground when starting a new well on a new site.

 

[digger945]

CGI?
It would make a nice christmas tree.

 

[Khanate]

Not CGI.

Watch this video for more info:

YouTube - Sachiko Kodama: When I Met This Material

 

[digger945]

Awesome video, thanks for the link, very talented physicist/artist Patricia Faure.