Rithvik and Nayanthara in 'O2', which dropped on Disney+Hotstar on June 17, 2022. This is YouTube star Rithvik's first film. Welcome to a film that is mostly set in a single location from debutant ...

High-performance, eco-friendly, safe and at the same time cost-effective: the zinc-air battery is an attractive energy storage technology of the future. Until now, the conventional zinc-air battery ...