Meet OceanOne, a robot avatar that lets humans explore deep under the Ocean’s surface, without any of the dangers or time limits associated with diving.

While a human diver is constrained by pesky things like air and pressure when doing underwater research or excavations, a robot can stay underwater for much longer, collecting samples in hostile underwater environments.

OceanOne was tested at the archeological site of the shipwreck La Lune off the coast of France. La Lune, a flagship that sank in the Mediterranean in 1664. It lies under 300 feet of water, far beyond the reach of recreational SCUBA divers, who limit themselves to 130 feet.

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