String theory: Scientists are trying new ways to verify the idea that could unite all of physics

In 1980, Stephen Hawking gave his first lecture as Lucasian Professor at the University of Cambridge. The lecture was called ...

How do airplanes stay up in the sky? 4 forces of flight every aviation enthusiast should know

Aerodynamics explains how airplanes fly through the interplay of four fundamental forces: lift, weight, thrust, and drag. Lift opposes gravity, thrust propels forward, and drag resists motion. Pilots ...