Nano-optics modeled after butterfly wings will make life a lot harder for counterfeiters.
If you are not a Navy seal — which I am not — you may not be aware that current night vision goggles are on the cumbersome side. The problem is how to cool the bad boys down enough to provide an accurate visual signature. So the beauty of the solution to improving them and lightening them up coming from an ethereal little butterfly is not lost on me.
This is a slow-motion video of an amazing, man-made butterfly in flight, created by researchers Hiroto Tanaka and Isao Shimoyama. It was made to study how butterflies fly, which is different from a bird. Here's what they found with the first flights.