In this video, Prof. Arno Smets explains what Energy really is, and how we can convert it to other forms. It is explained by which we measure energy, and how much energy people use on average.
You will find the chapter associated to the lecture below the videos.
Solar Energy by TU Delft OpenCourseWare is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at https://ocw.tudelft.nl/courses/solar-energy/.