Interstellar Travel: Sooner Or Later?

Part I of Essay
? Though interstellar travel is theoretically possible, colonizing Alpha Centauri in the next millennium may be far-fetched. Modern Quantum physics gives many new openings into the world of plus-light-speed travel, but Einstein’s theory of relativity maintains the fact that ....

Part II of Essay
.... would be one that could get you to other stars as quickly and comfortably as envisioned in science fiction. Before this can become a reality, three scientific breakthroughs are needed: discovery of a means to exceed light speed, discovery of a means to propel a vehicle without propellant, and discovery of a means to power such devices. Why? - Because space is big, really, really, really big." (Why is Interstellar) For any human to ever reach another star, speeds greater than comprehension would be needed. Millis illustrates this idea on ....