Back to the Middle Ages?

Technology has become the idol of our society, but technological progress is—more often than not—aimed at solving problems caused by earlier technical inventions. What is missing in the energy debate is a historical context. There is a lot of potential in past and often forgotten knowledge and technologies when it comes to designing a sustainable society. Interesting possibilities arise when you combine old technology with new knowledge and new materials, or when you apply old concepts and traditional knowledge to modern technology.