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Science of TRON

Listen to audio from the "Science of TRON" panel, featuring director Joe Kosinski, producer Sean Bailey, and science consultants Sean Carroll & John Dick. Learn More

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Men in Black 3: Going Back in Time

Two familiar men in black suits are back in theaters on May 25, 2012, and this time, more than aliens are involved. In this released trailer for Men in Black 3, J discovers K has been dead for 40 years. With the help of a small device and a jump from the Empire State Building, J travels back in time to find some answers to K’s mysterious death.

Time travel is a popular storyline in television and film (Back to the Future, Lost, The Time Traveler’s Wife, to name a few). It is also a frequently requested subject for science consulting. But is it possible? Or even plausible? Well, we have some good news and we have some bad news.

Wormholes: The Superstars of Inter-Stellar Travel

You might not have noticed their stellar performances, but with feature roles in Thor and Green Lantern, wormholes are the biggest movie stars of the summer. Not to mention, without these theoretical shortcuts in space-time, neither film would have much of a plot. A wormhole (the characters call it an “Einstein-Rosen bridge”) in Thor allows the film’s characters to travel between the Nine Realms and in Green Lantern, Hal Jordan travels to Oa through a wormhole (though it’s not mentioned in the film). Without wormholes, neither superhero would have gotten very far – nor would the plot.