use solar energy to power fans? OK draw water vapour from the air. OK A water-absorbing substance, known as a desiccant? Intentionally evasive and opaque Wha

use solar energy to power fans? OK draw water vapour from the air. OK A water-absorbing substance, known as a desiccant? Intentionally evasive and opaque What can this possibly be? Its not like dessicated Coconut Anhydrous Calcium Chloride?