Predictions

Can you unlock a car door with a bathroom plunger?

On some cars yes... simply place the plunger over the keyhole and 'plunge' as hard as you can. On some vehicles the air pressure will force the locking mechanism upward thus unlocking the door. Most modern vehicles are designed to stop this.

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Will there be a flying car in the future?

There are flying cars now. Google "Flying Cars".

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