At first, I just want to check the time and date.....
By: henryrover : October 25th, 2017-18:13
At first, I just want to check the time and date. Then I realise that a period of time can be measured as well. And even for the day, month and the lunar date...... But Einstein told us we are living in "time-space". I should be able to tell the time at a...