Columbus
The two sailing inventions that made the Age of Exploration possible were Caravel, and the Galleon.
Techonlogical inventions which made the Age of Exploration possible included a sextant, which sailors used to navigate by the stars, and a compass.
Compass and sextant.
There are quite a few devices that have made sea exploration as you know it possible. Submarines are one of these devices.
The Caravel
Bathyscapes and submersibles have.
the coronol, a spyglass for navigating
The compass and the astrolabe made navigation by sea, and therefore exploration, possible.
sail boat
the coronol, a spyglass for navigating
Alchemy ship travel exploration of new ownership
Just 1 for now the compass