The Solbot, made by startup QBotix, stops at each array and extends a cylindrical arm to adjust the angle of the photovoltaic panels so they capture the most amount of sun as it moves across the sky and through the seasons.
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Its articulated design allows the photographer to adjust the display vertically and set it to the angle easiest for capturing and viewing.
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He is following a simple rule: Keep the angle of the falling ball constant in your vision and adjust your running speed accordingly.
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