Who invented Mobile Phone
adminIn today's time, life cannot be imagined without mobile, it seems that if mobile is there then everything is there. The invention of mobile has changed the way of living…
Who invented the Calculator
In today's time, calculator is useful to everyone, whether it is a student or a big businessman or a shopkeeper, everyone needs a calculator to get the details of their…
History of clock | Who is inventors of clock | Story behind clock invention
History of watch is 2500 years old from todayIn today's world, we all run on the tip of the clock, that is, everyone wakes up according to the time, goes…