Monday, June 7, 2010

"Just don't let the birds see them." ~Hitchcock

The way light hits a tropical butterfly's wings could make your bank card safer, according to a new U.K. study.

That's because scientists are now able to mimic the cell structure of butterfly scales to encrypt information on banknotes and other secure cards, researchers at Britain's Cambridge University say.

"We have unlocked one of nature's secrets and combined this knowledge with state-of-the-art nanofabrication to mimic the intricate optical designs found in nature," said lead researcher Mathias Kolle on the university's website. (more)