Armed with a curious mind and a need to help, 15-year-old Douglas Macartney, 19, invented the flatpack wind turbine to solve electricity challenges in Kenya.In a school competition held in 2018, Macartney presented his prototype, and over the years, it has been improved to be fully functional.The UK student from the Royal High School in Edinburgh was inspired by IKEA to build a flatpack refugee shelter."I quite liked the simplicity of it. I thought of doing the same thing but...