Look closely at the compound eyes on this butterfly - finding them in your garden is always a great indicator of a solid ecosystem! 🦋👍🏻 #animal #conservation #awesome | Ivan Carter

2.6K views · 47 reactions | The compound eyes found in insects and some sea creatures are marvels of evolution. There, thousands of lenses work together to provide sophisticated information without the need for a sophisticated brain. Now, engineers and physicists at the Penn have shown how liquid crystals can be employed to create compound lenses similar to those found in nature. | University of Pennsylvania | Facebook