How is possible faster than light travel? Simple. If you take beam of light and light up light on top of light the second one is goinf faster than c but if you do opposite and shoot light behind a train you are going faster than light in opposite direction. Because the world is travel at speed of light + c it is not possible to realizw what is happen but easy traveled faster than c. E=mc2 is what you need to accumulate variable and inverse speed= mass of traveler×inverse speed of light squared + c. 299 792 458 m / s + 1