A close up of some blue string hanging vertically with small white crystals
A digital illustration of a close up of crystals forming on the fibres of a string
A digital illustration showing on a string hanging in a mixed salt solution sodium crystal form at the bottom and lithium crystals at the top with a mixture in the middle
Two photos of rows of blue strings hanging with their ends hanging in water. In the photo on the right white crystals have formed on the middle of the strings. On the right is a digital diagram showing the strings being treated to remove the lithium salt