Turbulent wake behind a roughened sphere using smoke jet

Credit: Chirag Kalelkar, Bigyansu Behera What does it all mean ? How to do this experiment ? Download my articles here: 1. Salt oscillator 2. Instability of Kolmogorov flow 3. Experiments with vortex rings 4. Experiments with soap bubbles and soap films 5. Experiments with non-Newtonian fluids 6. Bubble raft 7. Antibubbles 8. Kelvin-Helmholtz instability 9. Rayleigh-Taylor instability 10. Analog computing with soap films