Say Goodbye to Neck Pain and Stiff Shoulders with These 5 Simple Daily Moves

4 Shoulder Exercises You Should Do Daily to Fix Posture and Build a More Aesthetic Upper Body

😱Build Boulder Shoulders with Dumbbells 🔥 #shoulderworkout #fitness

The Simple Experiment That Shows Earth Is Moving 🤯🌀

Why This Pendulum Proves the Earth Is Spinning

The Foucault Pendulum: Unveiling Earth’s Rotation 🌎 The Foucault Pendulum is a visual demonstration of the Earth’s rotation. Named after Jean Bernard Leon Foucault, the French physicist who invented it, the Foucault Pendulum was first exhibited in 1851 at the World’s Fair in Paris Throughout the day, the direction of the pendulum’s swing appears to change. Actually, Earth is turning under the pendulum as it swings. At Houston’s latitude (30° N.) the pendulum will precess through 180° or halfway