See if you can find the 8 differences in each set of images.
Nanosucculents
Photocatalytically active CuxWyS2 obtained by chemical vapor deposition. False-colored scanning electron microscope image.
Peter Sherrell, Imperial College London, UK.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190405113547545-0776:S0883769419000964:S0883769419000964_figu1g.jpeg?pub-status=live)
Apocalyptic future
Scanning electron microscope image (modified) of deep reactive-ion-etched silicon with infiltrated salt.
Julia Kohanek, University of Illinois at Urbana-Champaign, USA.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190405113547545-0776:S0883769419000964:S0883769419000964_figu2g.jpeg?pub-status=live)
February 2019 answer key
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20190405113547545-0776:S0883769419000964:S0883769419000964_figu3g.jpeg?pub-status=live)
Answers will be published in the June 2019 issue.