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Design and Simulation of a Fluid-filled D-Shaped Lens for Solar Thermal ApplicationsIn this article, we derive an analytical model for a fluid-filled D-shaped lens based on Snell's law. The general approach taken here is to combine Snell's law with geometric analysis to derive a differential equation describing how the lens

NUL STUDENTS KETTLE USES SUN'S RAYS TO BOIL WATER FAST | NUL Research & InnovationsYou take what looks like a simple container filled with water and you put it in the sun and the water starts heating up and even boiling; fast! The

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