Sun-tracking device wins student prize - MIT News Office.
"A team of three students who designed a system that could allow solar power panels to track the sun without motors or control systems won top honors Thursday -- and a check for $10,000 -- in the finals of a competition aimed at developing innovative energy technologies."
The winning team (Heliotrope) was inspired by the way plants track the sun to develop a system that orients photovoltaic cells based on temperature differences between shaded and sunny areas. The final design, an arch made of aluminum and steel, requires no external power source (other than the sun) or control mechanism.
Thanks to Walter Derzko (Smart biomimetic, heliotropic solar panels track the sun without motors or control systems) for the pointer!
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