Underwater explorers no longer need to get their feet wet to uncover some of history’s most notable shipwrecks. Oxygen tanks and flippers are being replaced by underwater robots. Sam Macdonald is the president of Deep Trekker, a Canadian company that makes underwater bots. Since Deep Trekker’s creation in 2010, the company’s robots have become a standard in the aquaculture industry, but, Macdonald says, that wasn’t the original intent. 

“One night I dropped a flashlight off my boat and I started thinking about having an underwater robot that we could do things with including retrieving lost items, but also for exploring all of these ship wrecks,” Macdonald said.

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