At the same time, a cellulose/polymer sensor can measure pressure, temperature and humidity, according to Linköping University. And, before you ask, the measurements are independent of each other. The sensor is an aerogel, made by vacuum freeze-drying a mixture of cellulose nanofibres, the conducting polymer PEDOT:PSS and water. Adding a polysilane to this makes the aerogel elastic. ...
This story continues at One piece of foam senses temperature, pressure and humidity
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/one-piece-foam-senses-temperature-pressure-humidity-2019-03/
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