Designed by Damjan Stankovic in cooperation with Marko Pavlovic, “Rhei” is a watch that works on ferrofluid (ferrofluid) – a magnetic fluid first discovered by NASA scientists in the 1960s – and with magnets to display digits on its screen. It works almost like an analogue LED, moving drops of ferrohydrogen to specific points with the help of electromagnetic “pixels”.

The Rhei is an original and unique design at the moment, as the creators of seeking methods as easy as possible mass production of. More you can read here.