Angel Mokgokolo’s journey began in a foundation-phase classroom, equipped with curiosity and a piece of chalk. There, she ...
The third known interstellar comet to visit our solar system has just done something no one had seen before: it lit up in ...
The definition of a battery is a device that  generates electricity via reduction-oxidation (redox) reaction and also stores chemical energy (Blanc et al., 2010). This stored energy ...