Summary: Today, Kira and Keera talk about the incredible power of that fiery ball in the sky, the sun! how we clever humans have devised the technology to harness it.<br> <br> We also answer some of your burning questions (get it?), like:<br> <br> What is nuclear fusion?<br> How does old dead plant matter become fossil fuels?<br> How do photo-voltaic cells capture sun energy?<br> What is artificial photosynthesis, and how do we make it happen?
