I don't think people understand the technological importance of lithium-ion batteries. It's in every single device we own. Whether you're scrolling on your smartphone, accelerating an electric vehicle, or waking a laptop from sleep, your lithium-ion battery powers these devices. At the heart of the battery's functionality is an elegant electromagnetic engine that stores massive amounts of energy without burning any fuel--shifting the lightest solid element on the back of the periodic table back and forth between two molecular cells. Let me explain further.
