08-17-2017: Are Supercritical Fluids Critical For Cost-Effective Geothermal Electricity Production?

Why might supercritical fluids be critical for cost-effective geothermal energy? Before answering, what is a supercritical fluid? Per Wikipedia[1]: A supercritical fluid (SCF) is any substance at a temperature and pressure above its critical point, where distinct liquid and gas phases do not exist.  It can effuse through solids like a gas, and dissolve materials […]