A battery is a device that stores energy in chemical form and can convert it into electric energy through electrochemical reactions. Reusing materials from spent lithium-ion batteries is a key ...

As the MDGs era comes to a conclusion with the end of the year, 2016 ushers in the official launch of the bold and transformative 2030 Agenda for Sustainable Development adopted by world leaders last ...

Abstract: Although many spectral clustering algorithms have been proposed during the past decades, they are not scalable to large-scale data due to their high computational complexities. In this paper ...

After almost four years of war, a sense of cohesion has grown.

Over the past 25 years we’ve witnessed and contributed to more progress than we ever thought possible. Now, the world is at a crossroads. The challenges ahead are the most daunting we’ve seen in our ...