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I think there's a big qualitative difference between an aircraft that can carry its own power source, and one that needs to be tethered to the ground.
by teraflop 4y ago
I think there's a big qualitative difference between an aircraft that can carry its own power source, and one that needs to be tethered to the ground.
- YeBanKo 4y agoWell, there is also a huge advancement in small power sources since 60s