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I remember seeing a movie when I was young (around late 80s) about a couple of astronauts returning to Earth. They either had some kind of an accident or fluke as there was some sort of time travel going on (or maybe parallel universe?) and they returned to a future Earth. (Note, future as in present day, like traveling from the 60s to 80s, not futuristic scifi-movie type future.)

I can't remember if there was any huge post-apocalyptic stuff but I remember at least two male astronauts walking in a desert and finding a can of coca-cola and going something like "at least we know we are in America" but they had never seen (aluminium) cans before and then they wondered what the can was made of as "it's too light to be metal" or something similar.

I remember enjoying the movie but sadly this is all the info I can remember.

It is NOT the following:

  • Operation Ganymede

  • Planet Earth

  • Genesis II

  • Strange New World

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    Aluminium cans pre-date the space age – Valorum Dec 16 '19 at 19:16
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    I understand that, but nevertheless that was in the movie. They did not recognize the can. In hindsight, it is also possible that they were not astronauts but something else. The key point is that they recognized Coca-Cola brand, but not aluminium. – tango Dec 16 '19 at 19:26
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    Steel coke cans were still common when I was a kid back in the early seventies. – JRE Dec 16 '19 at 19:41
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    Note that in 1980, soda cans could be manufactured with much thinner walls than in 1940, making them much lighter. Even it it was the same material. – Mr Lister Dec 17 '19 at 12:23
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    A good movie reference for the change in cans is Jaws (1975), in which tough-guy Quint (Robert Shaw) demonstrates his toughness by crushing an empty drink can with one hand.These days any weakling can do that. – DJClayworth Dec 17 '19 at 16:48
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The scene with the Coke can is in The Philadelphia Experiment (around 19m 40s into the movie).

The two guys were US Navy sailors from the 1940s caught up in an experiment which sent them to the 1980s.

While the scene with the coke can doesn't show up in the trailer, you can see the two men walking through the desert for several seconds about 34 seconds in.

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