By Anne Trafton-<br><br>These inexpensive sensors could be widely deployed, making it easier to monitor public spaces or detect food spoilage in warehouses. Using this system, the researchers have demonstrated that they can detect gaseous ammonia, hydrogen peroxide, and cyclohexanone, among other gases.<br><br><a href="https://newsoffice.mit.edu/2014/wireless-chemical-sensor-for-smartphone-1208">READ MORE ON MIT | NEWS</a>
This wireless sensor can send info to your phone on food going bad, hazardous gases, pollutants, etc.
