Time always has been involving our mind and it caused some questions which has gotten engaged our mind. For instance: What is time? How does an electron take to tunnel? Does it change when we are on a manifold? What are the influences of gravity on it? With regard to uncertainty of energy time, Is there any operator of time? How does it work? And generally, the concept of time is extremely suspicious, is it like a container of events? Or a label? Is it external or internal? What is the philosophy of time? How come did scientists and philosophers started to think about it? Since when have they...