Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

There are some times when a picture, or better yet a video, really is worth a thousand words, and [heinz]’s dual-disk polar ...

Abstract: Eddy current displacement sensor (ECDS) is a common shaft displacement measuring device for various motors. Its output characteristic is partly linear, while the whole is non-linear. This ...