18. Thermodynamics# 18.1. Making a perfect cappuccino 18.2. Playing with density 18.3. Ocean currents 18.4. Rich boiling phenomena 18.5. Boiling by cooling 18.6. Miscommunicating vessels 18.7. Cool cans 18.8. Condensation heat in infrared 18.9. Cooling metal spheres 18.10. Black and white
