A new kind of spray is loaded with microscopic electronic sensors
The microchip-loaded aerosol could be used to track environmental and health hazards
![electronic spray illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/07/071918_MT_aerosol-electronics_feat.jpg?fit=860%2C460&ssl=1)
UP IN THE AIR Researchers have created tiny chemical sensors that someday could be distributed in a spray to monitor air pollution, or even a person’s health.
K. Kalantar-zadeh/Nature Nanotechnology 2018