Look Again
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LOOK AGAIN ...
Just for Fun!
See if you can find the 8 differences in each set of images.
Deep ocean
Liquid-metal alien micro-egg
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.
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.”
Ji-Young Kim, University of Michigan, USA
Konrad Rykaczewski, Arizona State University, USA, and Kyle Doudrick, University of Notre Dame, USA
April 2016 answer key
Answers will be published in the August 2016 issue. 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.
• VOLUME 41 • JUNE 2016IP• address: www.mrs.org/bulletin Downloaded MRS fromBULLETIN https://www.cambridge.org/core. 188.72.96.193, on 07 Dec 2018 at 04:56:29, subject to the Cambridge Core terms of use, available at https://www.cambridge.org/core/terms. https://doi.org/10.1557/mrs.2016.128
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