A scientific diagram shows a hot, normal soda can with equal internal and external pressure, transforming into a cold, crushed can with lower internal pressure.
Before (hot): [ can ] ↑ gas pushing out (1 atm inside = 1 atm outside) After (cold): [crushed can] ↓ weak pressure inside (~0.73 atm) → outside air (1 atm) pushes inward Mehr sehen