Humans have sailed for thousands of years, from the earliest primitive rafts to the high-tech ships of our day and age which have radars, digital controls, etc.

Throughout history, there have been numerous different types of ships, and ships have been used for exploration, transportation, war, and many other purposes.

Which types of ships exist, which ships arose during what historical periods and why? What does it take to build a ship? What does it take to sail it?

Keynotes about ships look into the topic and seek to answer above questions and more.