Inside a control room and on board the H.P.42

The video tutorial discusses the importance of navigation for merchant fleets, emphasizing the need for accurate location tracking. It highlights historical figures like Hannibal and Hanno, who expanded the horizons of navigation through their contributions.

What does the phrase 'where the devil it is' imply about navigation challenges?

Who are Hannibal and Hanno, and what is their significance in the context of exploration?