it shattered khazakstan's image as the most stable republic. with the trial closed -- some will still be asking if justice has been served. from smartphones to electric cars, the call for powerful, lightweight batteries has never been stronger. too often, improvements are steeply priced. >> what is this? what does it have to do with this? the answer is science, batteries, and the cars of the future. it starts here on the san andreas fault, where geothermal energy gets a new lease of life. the hot power of the earth's crust is a huge source of minerals. >> there is an electric vehicle demand underway. >> we take brine from deep under ground -- we run it through the materials and we end up with something -- the key ingredient in the battery materials. >> here is where the lithium is being put to use. this sets a new record for power and price. >> this captures more energy i nthe batteries. it will make cars cheaper. our dependency anfor gas will go down dramatically. >> this will develop a battery that is longer, cheaper, and longer lasting to fu