Players earn points for not only creating lines of identical shapes but for how long the lines are as well. (crackberry.com)
But fruit flies have now distinguished between two molecules with identical shapes, providing the first experimental evidence to support a controversial theory that the sense of smell can operate by detecting molecular vibrations. (newscientist.com)
To make the design more appropriate for use in electronics, the engineers created an otherwise identical shape - changing lens from an electrically active polymer, which expands and contracts based on electrical signals. (sciencedaily.com)