Tech

Harrison’s Marine Chronometer

Enabled sailors to calculate longitude accurately, revolutionizing ocean navigation and reducing shipwrecks. Invented in 1761.

HMS Challenger

The first true oceanographic expedition; mapped the seafloor, discovered 4,700 new marine species, and proved the deep sea wasn’t lifeless. Conducted from 1872 to 1876.

Trieste

A bathyscaphe that reached the deepest part of the ocean (Challenger Deep, 10,911 meters), proving humans could explore extreme depths. Achieved this feat in 1960.

Alvin

A deep-sea submersible that discovered hydrothermal vents in 1977, changing our understanding of deep-sea ecosystems and life’s origins.

Glomar Challenger

A deep-sea drilling ship that provided key evidence for plate tectonics by sampling the ocean floor, confirming seafloor spreading. Active from 1968 to 1983.

TOPEX/Poseidon

A satellite that mapped ocean circulation, improving climate models and tracking sea level rise with unprecedented accuracy. Launched in 1992.

Argo Floats

A fleet of autonomous floats collecting continuous global ocean data, crucial for climate change research. Introduced in 2000.

Jason-1, Jason-2, Jason-3

Satellites that improved ocean mapping, tracking currents, sea level rise, and El Niño effects. Jason-1 launched in 2001, Jason-2 in 2008, and Jason-3 in 2016.

Deepsea Challenger

Used by filmmaker James Cameron for the deepest solo dive in history (Mariana Trench), capturing high-resolution deep-sea footage. Completed in 2012.

Ocean Infinity’s AUVs

Advanced autonomous underwater vehicles that assist in deep-sea exploration, including locating missing aircraft like MH370. Operational since 2017.