Between the release of the Back to the Future trilogy on Blu-ray and the supposed time traveler lurking in the background of Charlie Chaplin films, bending the laws of physics has been on everybody's mind lately. But is zipping back to 1955 really as simple as dumping some plutonium in the tank and getting the DeLorean up to 88 miles per hour?
If you haven't already picked up your copy of the 25th anniversary BTTF Blu-rays, Universal has released another clip from the set's bonus features entitled "The River of Time." In the clip, physicist Dr. Michio Kaku talks about the theoretical mechanics of time travel, as best we understand them, and explains why it would actually be easier to go forward than back. Did Marty and Doc Brown get it right, or was all that 1.21 gigawatts stuff hogwash? Watch and find out.
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