Monday, April 30, 2012

The City on the Edge of Forever and Carl Sagan Interview

This two pieces of literature were very interesting. They both connected to our class definition of science fiction because they include time travel, a futuristic, but not totally irrational, idea.

The film clip, The City on the Edge of Forever, was very fun and I enjoyed watching it. It includes time travel through a sort of worm hole called "The Guardian". Through this portal, Captain Kirk and Spock go back in time to the time of the Great Depression, in hopes of stopping Dr. McCoy from doing whatever he did to mess up the entire future. Because Dr. McCoy did something as small as save a woman from a car accident, it changed the entire future, showing the butterfly effect of time travel. Even though this video was fun to watch, it was not very scientifically accurate. As discussed in the interview with Carl Sagan, the ability to travel backwards in time is pretty much out of the question. It would be too hard to break the time continuum and find a break in the 4th dimension.So even though the episode of Star Trek was interesting, it is not scientifically plausible. On the other hand, time travel into the future may become more possible in the years to come. In the NOVA article, Sagan discussed the twin theory and how travelling at a speed close to the speed of light may allow for someone to age slower than someone on Earth, so when they return, nothing is the same. This idea is very fascinating and seems like it may become possible, but first we must obtain the technology necessary to travel near the speed of light. I enjoyed reading Carl Sagan's interview because it was very interesting and explored some cool ideas.

Both the Star Trek episode and the interview with Carl Sagan were very fun to read. They discuss fascinating topics and were entertaining.

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