How do I make a propeller clock?

[calicias]

Hi everyone. I would like to make a propeller clock just like this one

for college. I am majoring in physics so I have a basic knowledge of electronics but I don't know where to begin. Can someone help me?

 

[KrisBlueNZ]

The best place to begin, as usual, is with a Google search!

https://www.google.com/search?q=make+a+propeller+clock

 

[Gryd3]

The best place to begin, as usual, is with a Google search!

https://www.google.com/search?q=make+a+propeller+clock

If that does not give you enough detail.
Those things are considered persistence of vision displays and you can find things from wands, to old harddrives being used