Saurabh Kumar on Instagram: "The Ball and Funnel Experiment is a simple demonstration of Bernoulli’s Principle and air pressure. Materials Needed: A funnel A lightweight ball (ping pong ball works best) Your breath (or a hairdryer for variation) Steps to Perform: Place the ball inside the funnel. Hold the funnel with the narrow end facing down. Blow air through the narrow end of the funnel. Observation: Instead of the ball being blown out, it stays inside the funnel—even if you turn it upside do