See if you can find the 8 differences in each set of images.
Antimony selenide dendritic micro-trees
Sb2Se3 is a promising solar-cell material with an interesting nanoribbon crystal structure. By slowing its growth rate, the material forms a series of branched structures. This image was recorded with a simple optical microscope and used no image processing or coloring.
Jon Major, University of Liverpool, UK.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190610150723621-0606:S0883769419001520:S0883769419001520_figu1g.jpeg?pub-status=live)
Morphology of winter
The design rules and building blocks of biology are attractive resources in the creation of synthetic inorganic or hybrid nanomaterials, especially those built in a bottom-up hierarchical manner. The image shows synthesized nickel nanofoams using an M13 bacteriophage template.
Uyanga Tsedev, Massachusetts Institute of Technology, USA.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190610150723621-0606:S0883769419001520:S0883769419001520_figu2g.jpeg?pub-status=live)
April 2019 answer key
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190610150723621-0606:S0883769419001520:S0883769419001520_figu3g.jpeg?pub-status=live)
Answers will be published in the August 2019 issue.