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We would have hover cars like we predicted decades ago if it is energy expensive. Lifting a vehicle and passengers is always costly in energy.
by charlieyu1 3y ago
We would have hover cars like we predicted decades ago if it is energy expensive. Lifting a vehicle and passengers is always costly in energy.
- zdragnar 3y agoIt is really a basic physics question, no? Air has little mass, and so provides poor thrust under Newton's third law of motion compared to a tire on the earth. A car on the ground will always be more efficient than something which dumps its energy into air.