Your phone died. Again. In these scenarios, who among us has not dreamed the dream of a future where our devices charge instantly and last forever. As capacitors—or even more exciting, ultracapacitors—get better and better at storing energy, they could replace batteries and realize at least one half of that dream.
Graphene doesn't need any introduction: it's the super material to beat 'em all. But this beautiful video demonstrates how it could transform the future of the gadgets you use everyday.
Some people (hello, hypochondriacs!) feel safer carrying around a first aid kit. Others—like many of you reading this right now—can only feel truly prepared if they're packing a few resistors, transistors and capacitors. Me, it's a miniUSB cable.