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Wouldn't this be very loud? the fans would have to spin very fast to get lift, creating a lot of noise. However, you could try putting some sound proofing or accustablok in the cabin.

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They're called helicopters, yes they are noise.

I could also imagine magnetized roads like maglev trains.

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No, a car that can drive on roads and fly. Please see patent us6745977 for what I'm talking about. –  Tmanzz122 Jun 9 at 15:30

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