Smart Glass

Before discussing anything, I am going to present a really long quote from this link that talks about smart glass. I am presenting this because I am not an expert in the way this operates, so might as well let them talk about all the science stuff behind it  (  “According to a recent report, 63% of Fortune 100 companies and 48% of Fortune 500 companies have established internal sustainability and clean energy initiatives, a 5% increase since 2014 [1]. Developers and property owners across the world are integrating new technologies into their properties to increase the overall efficiency of their buildings and its users. One of the most exciting applications lately has been the development of electrochromic glass, which can automatically adjust the window tint in response to exterior lighting conditions.” “Low-emission glass isn’t a new concept, but companies like View, Sage, and Heliotrope Technologies are improving upon existing smart window technologies to give functional control to building occupiers. By automatically adjusting to sunlight changes throughout the day, electrochromic glass reduces the interior heating and cooling load imposed on building systems, leading to a reduction in energy consumption. Early adopters are realising that its benefits extend far beyond energy reduction and cost savings as well.””What is it? What is it made of? How does it work? The smart glass market is comprised of five different technologies: thermochronic, photochronic, liquid crystal (LC), suspended particles (SPD), and electrochromic (EC) [2]. Thermochronic and photochronic automatically adjust solely on the surrounding temperature and current lighting conditions. LC, SPD, and EC differ in that they are electronically controlled, allowing the user to customise interior lighting conditions to meet their immediate needs. However, EC is the standout among the group for two reasons; 1) it requires a lower voltage to operate and 2) it is the only technology to pass the ASTM standard for accelerated environmental durability, equivalent to a >50 year lifetime.” “Electrochromic glass consists of multiple layers of ceramic material that distributes ions and electrons layer to layer when an electric charge is applied [3]. The movement of the ions and electrons across layers is what controls the quantity of light properties that pass through the glass. The layers make up a film that is inserted in between traditional dual pane glass using a method that is common in assembling low-e glass called sputter deposition.” These windows solve problems that regular windows have. For example, the loss of heating or cooling from the interior to the exterior through windows is virtually gone, also, people would save on energy costs. Since these windows allow you to adjust the tint of the window, you no longer need big window curtains. Overall, these windows will not only lower the cost of your utility bill, it will save energy, and be stylish at the same time.

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