Thank you for your valuable time sorry I don't know appropriate place to get clarification. 1. I've read that if one could know the position, speed etc of every atom or particle in the universe one could predict how everything would turn out. If this is true then is there a scientific argument to be made in favor of free will and what, in general terms would it be? 2. If the speed of an object's motion through space plus the speed of an object's motion through time always equals the speed of light and there is no time at the speed of light why can't we dismiss troublesome gravity and claim success in the unified theory with just the other three basic forces and consider gravity an observational distortion? I am a layman, not a kook. Please be gentle re my ignorance. Physicists rock!