See if you can find the 8 differences in each set of images.
My grandma’s knitting box
VOx sheets grown on a silicon substrate by chemical vapor deposition.
Sanjay Mathur, University of Cologne, Germany.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20170810132747-92313-mediumThumb-S0883769417001804_figu1g.jpg?pub-status=live)
June 2017 answer key
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20170810132747-86187-mediumThumb-S0883769417001804_figu2g.jpg?pub-status=live)
Isolated cell
A 20 x 20 micrometer-sized cancer cell isolated on etched silicon pillars adopts a geometric morphology.
Bryan Kaehr, Sandia National Laboratories, USA.
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary-alt:20170810132747-94970-mediumThumb-S0883769417001804_figu3g.jpg?pub-status=live)
Answers will be published in the October 2017 issue.