AI trained on photos of salt ‘stains’ can predict their chemical composition
![AI trained on photos of salt ‘stains’ can predict their chemical composition](https://d2cbg94ubxgsnp.cloudfront.net/pictures/280x188/3/2/7/535327_index_i_338671.jpg)
Imaging could become a simple way to identify inorganic salt crystals on other planets
Imaging could become a simple way to identify inorganic salt crystals on other planets