The fundamental design principles behind rotary-wing aircraft date back to the Renaissance, with some of the earliest-known designs belonging to Leonardo da Vinci. Naturally, technology has ...

Finally! Some hero did the inevitable and mounted a GoPro on the main rotor hub of a helicopter, and not just any helicopter but a Russian-built Mi-8 Hip. It gives an incredibly intimate but dizzying ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Watch a helicopter fly, and the big spinning top rotor hogs the ...

The braking system on your car is the most important part of making sure you’re safe while driving. It keeps you from hitting a cat as it gingerly walks (because it doesn’t care) across the street, ...