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Q&A Human Shoulder Motion & Powered Flight

I have an idea for a story where human live on world with low gravity and a dense atmosphere. These humans have developed artificial wings that are attached to their arms so they can fly. Since the...

2 answers  ·  posted 6y ago by 299 Neandertal Variants ‭  ·  last activity 6y ago by 299 Neandertal Variants ‭