As digital still cameras (DSCs) and mobile phone cameras become more popular, users are demanding higher-quality photos under lower-light conditions. The popular Xenon photoflash is excited by high ...

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 ...

Researchers at the Indian Institute of Science (IISc) have designed a novel, tiny device capable of storing an enormous amount of electric charge. Current capacitors typically use metal oxide-based ...