Onion ring, SEM

False-coloured scanning electron micrograph of onion from an onion ring. Onion from an onion ring no longer conforms to the more ordered underlying structure found in raw onion (similar to cracks or fracture lines in rocks), and instead appears solid and rough with scattered round clusters possibly composed of oil. Width of image is 1260 micrometres. These drawings form part of a series of work "R…