Recent content by t_ras

I think this is what I was looking for. I vaguely remember this from my studies...

The issue is that, by his calculations, my clock goes slower. This means, somehow, for it to be right, the sum of the time he calculates has passed at my end + the time it takes the message to travel should be such that it shows my time is really going slower. Here is where I want to know how...

OK, I though I understand this one , yet something doesn't settle down... If I had a tween flying in a rocket at a very high speed and he came back to earth, he would be younger then me. I understand the reason for that and it is fairly straight forward. What strikes me is that velocity is...