An curved arrow pointing right. The Rhei clock uses a magnetic liquid called Ferrofluid to tell time. At each minute, the clock's magnetic field is programmed to change, moving the liquid in its ...

Purely from a design standpoint, the clock looks great. But it is the ferrofluid digits that mesmerize and doubtlessly helped Rhei win the 2015 Red Dot Award. We can’t help but think that if ...

The result was Fetch, a display that uses electromagnets to suspend ferrofluid on 252 “pixels” across the screen. After some delays due to COVID, they have recently unveiled version 2.0 of the ...