See if you can find the 8 differences in each set of images.
Deep ocean
Self-assembly of cadmium telluride (CdTe) nanoparticles on copper wire by dielectrophoresis. Scanning electron microscope image of the curved surface of Cu wire. An ocean texture was added to the Cu wire surface, and used the hue, curve, level, and color balance effects in Photoshop.
Ji-Young Kim, University of Michigan, USA
April 2016 answer key
Liquid-metal alien micro-egg
The image shows a ∼200 µm diameter “egg” of GaInSn after exposure to HCl acid vapor. The room-temperature liquid metal is covered in a thick, mostly gallium chloride shell, instead of the typical nanometer thin oxide shell. The cracked shell gives an impression that the bare liquid metal is about to “hatch.”
Konrad Rykaczewski, Arizona State University, USA, and
Kyle Doudrick, University of Notre Dame, USA
Answers will be published in the August 2016 issue.
