A Presentation slide based upon Time Travelling. Theory of Relativity, Forward & Backward Time Travel, Grandfather Paradoxes described

1. Prepared by: Sayeem Khan (1106076)

2. Concept of Time Travel
Time travel to Past
Time travel to Future
Paradoxes
The “Grandfather Paradox”
Stephen Hawking’s Paradox
Some discussion on Ronalt Mallett’s Time Machine

3. Theory of Relativity
Time is the “Forth Dimension”
Time is relative

4. Possible Methods:
•Travelling faster than light
•Wormholes
•Cosmic Strings or Black Holes

5. Possible Methods:
•Time-Dilation
•Hibernation
•Time-perception

6. Going back
in Time
Chapman kills his
grandfather
Chapman’s
parents are
not born
Even
Chapman is
not born
So he didn’t
kill his
grandfather
??????

7. Novikov’s Self-Consistency principle
• Contradictory causal loops cannot form, but those
consistent ones can.
Parallel Universes
• Multiple version of future exist in parallel universes.

8. Why don't we observe tourists, souvenir hunters,
historians, archaeologists, Criminals visiting us
from future?
Global warming, Nuclear war, Super Viruses or
The Robotic Uprising killed all human

9. A Physicist trying to build world’s first
“Time-Machine”

11. For further information
Contact: sayeemk@yahoo.com

12. Question???