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Current top HN story was listed as a finalist, thought list might have other gems on it. To bad list doesn’t include links. Toroidal propeller allows a drone t
by O__________O 4y ago
Current top HN story was listed as a finalist, thought list might have other gems on it. To bad list doesn’t include links.
Toroidal propeller allows a drone to operate more quietly [pdf]
https://news.ycombinator.com/item?id=34571569 https://news.ycombinator.com/item?id=34571569