Answer: Carbonite Han Solo was frozen in carbonite. Part of the reason they did this was due to the uncertainty of actor Harrison Ford returning for a sequel.
Answer: A wormhole The astronauts in "Interstellar" travel through a wormhole, which theoretically would allow objects to travel very-long distances in shorter amounts of time.
Answer: Arnold Schwarzenegger Arnold Schwarzenegger is known for being a famous body builder, actor, and politician. The saying, "I'll be back" came from the movie "Terminator".