a multi disciplinary research team made up of engineers and chemical scientists from the university of granada has developed an intelligent mask that alerts wearers on their smartphones . when recommended c o 2 limits are exceeded lena, for the dental, he think they're going see intelligent mast has a sensor, meaning a way to measure something in the air between your face and the mask. twitter introduce gotta la guardia. and so the c o 2 sensor is equipped with the electronics that will measure the color change and the sensor or, and transmit that information to a smart phone. and the sin shall input it from me dealing form of, you know, telephone all molly. so a standard f, f pete, you mask can be turned into an intelligent mask that monitors gas concentration by placing a special electronic sticker inside the mask. let me get that getting blue is that occur inserted inside the mask is a system that consists of 2 parts. on one side there's what's called readout electronics, which is printed with conductive ink on a flexible, plastic, and transparent substrate to receive. as you can see, the q