Smart windows can let visible light through while blocking out heat

By Leah Crane

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Smart windows that take into account the sun’s height in the sky could adjust how much light gets in to your home over the course of the seasons, helping regulate the temperature and lower energy requirements for heating and cooling throughout the year.

Windows that block heat from the sun in the summer while allowing it through in the winter already exist, but Yi Long at Nanyang Technological University in China and her colleagues developed a new type of smart window that can also adjust for the …