Master vector derivatives in polar coordinates with this clear physics tutorial! Learn step-by-step how to compute derivatives, understand radial and angular components, and apply them to mechanics ...

Navigating the world is no mean feat, especially when the world pushes back. For instance, airflow hitting a fly on its right side can, after a turn, become a headwind. To stay on course, the fly's ...

LAUNCH: 1 = Lower, 5 = Higher. “Lower” is like a stinger, below optimal height but with the velocity of a liner back up the middle. “Higher” rises surprisingly quickly and floats well above the ...