Posting this as a top level comment as well, found a bit more info after a cursory search, make of it what you will. > The company first uses electricity to sp

Posting this as a top level comment as well, found a bit more info after a cursory search, make of it what you will. > The company first uses electricity to split water and obtain hydrogen, which is then mixed with carbon dioxide and fertilizers such as phosphorus and ammonia. These are then fed to an undisclosed type of soil-derived bacteria, and through a fermentation process, Solar Foods ends up with a powder made of 50% protein, 25% carbohydrates, 10% fat, and 15% other nutrients. https://labiotech.eu/biotech-of-the-week/solar-foods-space-mission-finland/ https://labiotech.eu/biotech-of-the-week/solar-foods-space-m... https://www.esa.int/Our_Activities/Telecommunications_Integrated_Applications/TTP2/Food_out_of_the_thin_air https://www.esa.int/Our_Activities/Telecommunications_Integr...