FAIRY flying robot in light (IMAGE) Tampere University Caption Responsive polymer allows the creation of artificial, autonomously operating structures. In dark and calm weather, the fairy stays still. When there is enough light, the structure opens automatically allowing flying in the wind flow. Credit Jianfeng Yang / Tampere University Usage Restrictions The photo can be used only when referring to this news article and research. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.