Alvin was the first manned deep-sea submersible – a vessel capable of taking crew down to the ocean floor.
GPS uses a series of orbiting satellites that receive and send radio signals to determine location and, in some cases, speed.
Oceanographer and geologist who helped create the first map of the ocean floor, proving that it was not just the flat surface most people believed it to be.
He was a leading maritime explorer of Australia. He named the continent and produced the most accurate early atlas of the geography
He led the first expedition to reach the South Pole and was the first person to successfully traverse the Northwest Passage.
Controlled by a crew aboard a vessel on the surface, ROVs can explore and work in the deepest parts of the ocean.
SONAR is a tool that allows ships and other vessels to find and identify objects in the water through a system of sound pulses and echoes.
Submerged underwater, the Tektite laboratory allowed scientist to explore the ocean floor longer and more up close.