Welcome to the kaleidoscopic world of the butterfly wing. How do butterflies and moths (known collectively as Lepidoptera) make use of their vibrant wing patterns? Why are some species experts in ...

A vapour sensor based on an exact replica of the butterfly-scale design will most probably be unable to selectively quantify more than ten individual vapours from their mixture. A man-made ...

You can view the broken wing butterfly as a protected ratio spread. A typical ratio call spread can be set up when you identify a strong overhead resistance and involves going long one contract ...