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Infrared Remote: Physics & Light Science Activity | Exploratorium Teacher Institute Project
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Do security cameras work through windows or glass — SecurityCamCenter.com
Can infrared light pass through glass? - Quora
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AKM releases the Smallest Class Infrared Sensor IC in the World: the AK9752; capable of detecting through Glass and suitable as a Human Sensor
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Infrared proximity sensor built into Google Glass | Download Scientific Diagram
