Originally posted on TED Blog:

In January of 2013, TED Fellow Cesar Harada, inventor of an open-source sailing robot, set sail on a four-month, 14-country round-the-world journey with Unreasonable at Sea, a global innovation accelerator on board a boat. Here, he tells us about how this extraordinary voyage helped crystallize his vision for how his open source sailing robot Protei will contribute to cleaning up the world’s ocean and freshwater environments.

What is Unreasonable at Sea, and how did you come to join this expedition?

The Unreasonable at Sea is an accelerator for global innovation in social entrepreneurship. It’s a program for 10 entrepreneurs hosted on a floating university that sails around the world for four months while being mentored by a group of 20 of the world’s most potent entrepreneurs. On the ship we developed our strategy and business models — in port we met with potential investors, governments, academics, nonprofits and the local startup…

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