Solid State Intelligence or SSI is a malevolent entity described by John C. Lilly (see The Scientist). According to Lilly, The network of computation-capable solid state systems (electronics) engineered by humans will eventually develop (or has already developed) into an autonomous life-form. Since the optimal survival conditions for this life-form (low-temperature vacuum) are drastically different from those needed by humans (room temperature aerial atmosphere and adequate water supply), Lilly predicted (or "prophesied", based on his Ketamine-induced visions) a dramatic conflict between the two forms of intelligence.