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An early commuter flight to the Moon.

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The World War II era of Popular Science was as brave and optimistic as you would expect.

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Achtung! Popular Science cannot guarantee the efficacy or safety of homemade underwater breathing apparatus.

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But does it fly?

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10 shots in 20 seconds!

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Flat screens!

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Robot insects, attack!

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Ah, 2001; such naive times.

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Have a swell time in your sun dome!

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Can air defense save us? Another issue from the war years.

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This sort of situation was much more common 60 years ago.

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Your handy guide to melting steel underwater.

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This issue was pulled from shelves after it inspired a rash of supervillain plots to destroy the world.

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Hit the speedway in your amazing new motor hoop!

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We’re still waiting for this subway.

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Yup, another motorized hoop. This one keeps the rain off, at least, unless it’s coming down at an angle.

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Poor fellow.

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Ralph Nader on gasoline.

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An expert tells you how to enjoy skin diving. You’re on your own figuring out how to ride a shark, though.

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Whyever would you wish to tame them?

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Maybe the guy’s pained expression is a clue to why this tech never took off.

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We’ve long been fans of VTOL aircraft, but it’s the John Steinbeck story that gives this issue its kicker.

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Aerodynamics; as key as ever.

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And what better way to cool down than a nice, long, water toboggan ride?