As the fins tap the energy generated by the up-and-down motion of ocean waves, they move to propel the robot at speeds of up to 2 knots.

FORBES: Ocean Robot Completes Record-Setting 10,000 Mile Journey

What's most striking about Fujitsu's little robot is its simplicity--in a sense, it's merely a camera with a motion sensor atop a base that contains two wheels.

FORBES: Magazine Article