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 ...

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, ...

Cross-drilling brake rotors supposedly helps vent gases created when the resin bonding agents within the brake-pad material begin to break down at extreme temperatures. When this happens, the pedal ...

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 ...