Amazing and very aesthetically pleasing! Before reading the article I was thinking "if this was passive that would be som neat" ... and it is passive, wow. Th

Amazing and very aesthetically pleasing! Before reading the article I was thinking "if this was passive that would be som neat" ... and it is passive, wow. The scientists used the movement mechanisms of pine cones as a model for the "Solar Gate", which opens and closes in response to changes in humidity and temperature without consuming any metabolic energy.