I don’t think this needs much of an explanation. Although I have to say that it looks really interesting. ;-)
Imagine you would have to do that all day long just to know what time it is. And then you don’t have any time left to do something else. ;-)
I don’t know about you but that’s a reason for me to wear regular watches. Besides, I don’t think that the Sweeper clock is very precise.

In contrary to that, a the TeNo watch with a much better precision. ;-)
link via Ehrensenf
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