Quantum Physics | Cosmology | Astrophysics on Instagram: "Prof. Walter Lewin, the legendary MIT physicist, used some of the most visual and memorable demonstrations to teach core concepts — including thermal expansion. In this experiment, he shows how materials expand when heated and contract when cooled, revealing how temperature changes affect the atomic spacing inside solids. The setup is simple, but the lesson is powerful: even the most rigid materials are constantly in motion at the microsc

Physics | Mathematics | Science on Instagram: "Follow @PhysicsFolder To learn physics Prof. Walter Lewin, the legendary MIT physicist, explains projectile motion in a way that turns abstract equations into real, unforgettable experiences. Through bold real-life demonstrations, swinging pendulums, and live experiments, he shows that once an object is launched, its motion splits into two independent components: horizontal motion that remains constant, and vertical motion that is entirely controlle

Kurt Lewin Biography | Pantheon