Starship Asterisk*

Thanks so much for your excellent answers to my previous query. I feel that I am at last struggling TOWARD the light.  However, c is STILL freaking me out a bit. Ok here's another flashlight case. Someone with a  flash light APPROACHES u at .9c. U see the, blue shifted, photons moving at speed = c. ...

After enjoying 40 some-odd lectures, some up to 10 times, (I LOVE the whole Idea of Physics lectures on line), I am, for the First time, compelled to make some comments.... Before I watched this Lecture...Below is what I thought about light: 1) The big difference between light and sound is that ligh...