Between wind and solar power, we have access to an essentially unlimited supply of energy on Earth. We’ve made advances that make collecting renewables more efficient, but the sun isn’t always shining and the wind isn’t always blowing. That means we need batteries to store power for such times, and batteries have been slower to develop. Now, researchers from Stanford think they have created a viable water-based battery that could solve our energy woes with grid-scale capacity and a lifespan of more than a decade.
Mobile payment apps may have been China's latest greatest invention among young smartphone-savvy urbanites, but for man