Why are there 60 seconds in a minute?
Why are there 60 seconds in a minute, 60 minutes in an hour and 24 hours in a day? To find the origin, we must go back to the Egyptian antiquity.
Super-LumiNova on a watch: What's it for?
Have you always wondered how it is possible to read the time on your watch even in the dark? All the answers to your questions in this article.