====== Bernoulli Ping-Pong Ball ====== {{ :physicsdemos:thermodynamics_and_fluid_dynamics:fluid_dynamics:bernoulli_ping_pong_ball.mp4 |}} A styrofoam ball or ping-pong ball is kept aloft in stable equilibrium by an upward flow of air. A more dramatic version of this demonstration uses a leaf blower with a much larger ball. L top, K PIRA DCS 2C20.30