Abstract
The objective: A simple way to check the sugar content of beverages would be useful in restaurants and when buying drinks with unknown ingredients. We developed a method of using an iPod or other Smartphone and 3D movie glasses to measure the polarization rotation , and thereby the sugar content of drinks..
Methods/Materials
We bought 5 different test liquids, including three different varieties of apple juice, and regular and diet 7-Up. We produced, as calibration liquids, three types of solutions, each with a different amount of dissolved sugar.
The iPod touch provided a source of linearly polarized light that was passed through the liquid. We measured the polarization rotation created by the test liquid using a pair of 3D movie glasses.
We plotted a graph with our calibration liquids, and compared our test liquids to that graph to find our measure of its sugar content.
AbstractThe objective: A simple way to check the sugar content of beverages would be useful in restaurants and when buying drinks with unknown ingredients. We developed a method of using an iPod or other Smartphone and 3D movie glasses to measure the polarization rotation , and thereby the sugar content of drinks..Methods/MaterialsWe bought 5 different test liquids, including three different varieties of apple juice, and regular and diet 7-Up. We produced, as calibration liquids, three types of solutions, each with a different amount of dissolved sugar.The iPod touch provided a source of linearly polarized light that was passed through the liquid. We measured the polarization rotation created by the test liquid using a pair of 3D movie glasses.We plotted a graph with our calibration liquids, and compared our test liquids to that graph to find our measure of its sugar content.
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