An Excellent and Realistic Approach on the possibilities of Traveling through Time is illustrated in this BBC documentary chronicling the work of Dr Ronald Mallett, a physicist on the brink of making time travel a reality.
This documentary covers: Traveling to the past, the future, alternative universe and paradoxes that come with time travel.
Just imagine if we could go back to the Times of the Persian Kings Cyrus and Darius or Xerxes and change the course of history at Thermoplylae ? Imagine going back to 1953 just in time to make the CIA Coup fail or to 1979 and stop the Islamic Revolution of Khomeiny from taking over. Utopia or Possibility ? Is it even commendable ? Should we welcome such an invention ?