Tumbleweed robot from Shlomi Mir, Israel

The Tumbleweed Desert is a platform designed to operate autonomously for years traveling distances of thousands of kilometers using only the power of the wind. Its mission: to hold back the spreading desert.

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This is footage of the Tumbleweed Desert v.4.2 control test in the Negev Desert not far from the Egyptian Border. You can see how the system changes shape to alternately use wind energy to move or wait for more favorable wind direction.

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