Ship propellers are a constant compromise between efficiency, vibration, cavitation, and power delivery. This video explains why adding blades can solve serious mechanical problems, and why engineers ...

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 ...

In 1887 one of the most important experiments in the history of physics took place. American scientists Michelson and Morley failed to measure the speed of the Earth by comparing the speed of light in ...

The famous British Supermarine Spitfire used various propellers during its early service. Rotol Airscrews, Ltd was formed in 1937 as a joint venture of Rolls-Royce and Bristol. The name, a combination ...

Bring Negan’s infamous Lucille to life this Halloween with our step-by-step prop tutorial! Perfect for fans of The Walking Dead wanting to add authentic flair to their costume. #WalkingDead ...

Add Yahoo as a preferred source to see more of our stories on Google. A preliminary report on the Harnett County plane crash that killed two people does not indicate a probable cause but describes ...

When one thinks of the average airplane, odds are that propellers are part of that mental image. They've been a crucial component of airplane construction from the moment air travel found its footing ...

The following is an extract from our Lost in Space-Time newsletter. Each month, we hand over the keyboard to a physicist or mathematician to tell you about fascinating ideas from their corner of the ...

Textron Aviation division McCauley Propeller featured its four-blade aluminum constant speed propeller for the Cessna Grand Caravan EX at Aero Friedrichshafen 2025 in Germany. Credit: Bill Carey ...

Hartzell Propeller announced the launch of Kestrel, its lightweight carbon fiber constant-speed prop—the first entry in its new Falcon composite propeller series. The propellers are specifically ...