When we stand in front of a mirror, the image reflected is not us, it was the past of us, im sure u guys already know that, like I stared at my friend and he stood very far away from me and all his actions were 'delayed' for a very very short time coz light needs time to travel. How bout I stand very far away frm a mirror so that all my actions are delayed for 3 seconds and I smile and I sprint swiftly to reach a meter away from the mirror in 1 sec. Can I see all my images include the smiling one? assume that I hv great sigh and muscles. my speculative idea ' the greater the distance, the longer the time taken for an observer to see the change'. Another question. What is our human vision and light 'refresh rate'. Why when an object almost achieve the speed of light, time slows down? Because light is the true constant? Is that object's time slows down just on our sigh? Hope u comprehend and kindly answer.