Weekly tech roundup: environmental technology edition

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Military, law enforcement, firefighters, and first responders are routinely exposed to potentially dangerous chemical, biological, or radiological agents and require reliable detection.

Navy scientists developed a chemical, biological, or radiological weapon sensor based on electrophoretic technology that uses minimal electrical power while providing instant identification of dangerous agents.

Electrophoretic displays are commonly used in consumer electronics, like e-readers. When the electronic paper is irradiated, the incoming gamma-rays interact with the embedded particles and generate a recoil electron. Since the basic sensing principle of the electronic paper is based on charging particles within a transparent micro-container, it can also be used to detect chemical, biological, or radiological agents.

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