The propellers of the world's ships and boats create a constant drone that disrupts ocean life. New propeller designs based on loops could one day quiet that drone and be more fuel efficient. Sharrow ...
Imagery released today by Northrop Grumman provides a close up view of one of the two rear propellers of the Manta Ray UUV (uncrewed underwater vehicle). Just a few hours after a new 360° video of the ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. At a conference last week, a group of engineers presented a ...
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Students build new 'hybrid drone' — watch it fly in the air and then seamlessly dive underwater
Students have built a hybrid drone that can seamlessly transition from flying in the air to swimming in water. The students developed a working prototype of the hybrid drone for a bachelor's thesis at ...
Stena’s new Ro-Pax vessel, Ala’suinu, equipped with Wärtsilä propellers has received DNV’s Silent(E) notation, issued to vessels that demonstrate the ability to effectively reduce emissions of ...
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