A more affordable, effective cervical cancer screening device, a digital platform to help farmers plan and distribute crops, a new way to secure banking through facial recognition, and a tool that monitors the condition of solar photovoltaic (PV) installations are the four innovations selected as finalists for the Royal Academy of Engineering’s 2020 Africa Prize for Engineering Innovation. The finalists were selected from a shortlist of 15 African innovators, who have all received eight months of training and support through the Africa Prize.