WE KNOW FROM EINSTEIN THAT TIME SLOWS DOWN AS WE APPROACH LIGHT SPEED. SO THE IDEA IS THAT TIME SHOULD STOP COMPLETELY AT LIGHT SPEED AND WILL ACTUALLY REVERSE AT HIGHER SPEEDS! SO YOU'RE SAYING THAT TIME TRAVEL REQUIRES WARP SPEEDS; AND WE MIGHT NOT BE ABLE TO COME BACK? > GREAT SCOTT! HE FOLLOWED THAT! <