Recent content by taenyfan

As a Physics undergrad, my weekly schedule consists of 20 hours of lectures/laboratory work and around 30 hours of independent studying understanding lecture material/ solving problems/ doing research. That's 50 hours of work every week, for 4 years, just like a full time job. Of course...

I am puzzled over einstein's thought experiment on simultaneity. In this experiment, a man is standing on a train platform. A woman is sitted in the middle of a moving train traveling towards the man. When the train is half past the man, lightning strikes at the same instant at both ends of...