Amazon's serious about drones: Prime Air UAVs will carry 5-lb. packages 10 miles in 3 minutes

Spiffy. I’ve been wanting a new drone cheese grater.

Alias: check
Cash card: check
Bogus address: check
Disguise: check
Net: check

More seriously (laughs mechanically), I wonder about the economy of this. Yes, the drones probably have a lower cargo-to-weight ratio than a delivery truck. But they have to fight gravity the whole route to and from their drop location. A truck only has to produce the energy to move horizontally and climb the occasional hill. Even accounting for stop and go traffic the drone won’t have to deal with, I wonder if it won’t end up using considerably more energy. On the other hand, I suppose they could charge the drones off solar power farms (which I think Amazon already uses), as opposed to buying gas. Which makes me wonder why they don’t just buy UPS or build their own delivery fleet. With self-driving electric cars just around the corner, it’s only a matter of time until drones share the road. Will road drones be cheaper to operate than air drones, relegating the latter to express delivery?

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