See if you can find the 8 differences in each set of images.
Fe2O3 nanostructures
Fe2O3 nanostructures thermally grown on sintered Fe nonporous bulk material.
Keri Ledford, Georgia Tech Research Institute, USA.
Ladybugs
This field-emission scanning electron microscope image shows the morphology of porous WS3 (tungsten trisulfide), which is imaged as small beetles, or ladybugs. The porous WS3 shows dark black spots, and the spherical surface represents the body of the ladybugs.
Poonam Sharma, Chalmers University of Technology, Sweden.
Answers will be published in the August 2020 issue.
April 2020 answer key
Images on the top were submitted to the Materials Research Society “Science as Art” competition. Images on the bottom were modified in Adobe Photoshop for this “Look Again” activity.