What actually lifts the ship?
Water enters the closed chamber and its level rises. The floating ship rises with it. When the chamber matches the next level, the gate opens.
Episode guide
Why does Panama need locks but Suez doesn’t?
Panama’s route crosses an elevated lake. Locks raise ships from sea level and lower them again. Suez follows a sea-level route, so it does not need a staircase of locks.
How it works
Watch episodeYouTube
How it works
Questions, answered
Are the oceans at different heights?
The key difference is the inland route, not a permanent ocean-height step. Panama crosses elevated Gatun Lake; Suez is a sea-level canal. Tides still affect both routes.
Is this the entire Panama Canal?
No. This model shows one simplified chamber. The real route uses several locks and lake crossings; dimensions and timing here are illustrative.
Sources & further reading
Primary sources explain the engineering. Reddit links show audience questions, not technical proof.
Keep following the question
Episode guide