Abstract: Amphibious vehicles in this paper are a type of vehicle that can operate on land and shallow waters, suitable for tourism and rescue purposes. The propeller design needs to reflect the ...

Abstract: Propeller rotational movement plays a crucial role in determining the motion characteristics of drones and presents potential enhancements for diverse applications, such as enhancing ...

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In 1921, Scottish inventor George Bennie patented a radical transportation system: a suspended monorail car propelled by aircraft style propellers. His Railplane ran on an overhead track supported by ...

Kelluu, a Finnish startup, is developing low-cost hydrogen airships that can fly for up to 12 hours. They've recently attracted attention from NATO, securing a deal with a member for trials. The ...