Lecture
This lecture introduces the concepts of instabilities and turbulence in fluid dynamics, covering topics such as viscous fingering, Saffman-Taylor instability, various flow instabilities, solitons, and the evolution of disturbance energy. The instructor discusses the transition from laminar flow to turbulence, the stability of airplanes, and important concepts like the basin of attraction and bifurcation. The lecture also includes references to key researchers and textbooks in the field of hydrodynamic instability.