See if you can find the 8 differences in each set of images.
Zinc-oxide nano-garden
This zinc-oxide nano-garden was grown by electrochemical anodization of zinc for potential application in solar energy harvesting. The image was taken using a field-emission scanning electron microscope. The colors and artistic effects were added using Adobe Photoshop.
Basamat Shaheen, The American University in Cairo, Egypt
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20161210025241-04446-mediumThumb-S0883769416002906_figu1g.jpg?pub-status=live)
October 2016 answer key
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20161210025241-32311-mediumThumb-S0883769416002906_figu2g.jpg?pub-status=live)
Ballerina
False-colored scanning electron microscope image of silver nano-wires spray-coated onto a silicon substrate. The silver nanowires were synthesized through a polyol process. Image obtained from the cleaved surface of a silicon substrate.
Sahin Coskun, Middle East Technical University, Turkey
Answers will be published in the February 2017 issue.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20161210025241-56561-mediumThumb-S0883769416002906_figu3g.jpg?pub-status=live)