Eva Prafulla Wankhede is a student at DPS Navi Mumbai, with a deep-seated passion for energy efficiency and sustainable living.For a long time, Eva has been fascinated by the invisible forces that power our world, which has led her to merge this scientific curiosity with her love for writing.Through her blog and now this book, she explores how technical energy concepts translate into everyday life and personal choices.For Eva, this project is more than a publication-it is a significant step in her lifelong journey to explore, understand, and advocate for a more conscious and energy-efficient future.