Tildes

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‘Dolphin skin’ propeller boosts fuel efficiency of cargo ships

~transport Article 452 words

5 comments

newatlas.com

July 19

12 votes
How a World War II submarine works

~engineering Video 30:52, published Jul 25 2023

0 comments

YouTube: Animagraffs

July 28, 2023

6 votes
Toroidal propellers: A noise-killing game changer in air and water

~transport Article 1442 words

0 comments

newatlas.com

January 28, 2023

8 votes