Ferrofluid clock

Ferrofluid clock
Ferrolic is a desk clock which looks like an ever-evolving Rorschach test. Created by Zelf Koelman from the Eindhoven University of Technology, Ferrolic uses ferrofluid to tell the time, with this seemingly magical liquid moving gracefully around inside the clock as the minutes tick by.

Watch:
https://vimeo.com/116510462

Article:
http://www.gizmag.com/ferrolic-ferrofluid-time-clock/38999/

How is this sorcery possible? check the properties of ferrofluids:
http://faculty.washington.edu/finlayso/ferrofluid/Prop/prop_contents.html

#ferrofluids   #physics   #scitech