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Art of STEM 2015
Show moreI was walking along the path around the duck pond in front of the Cleveland Museum of Art, looking to capture life along with other plants and flowers. I came upon this interesting object hanging from the tree. The flash really helped to lighten up the entire composition.
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Show moreCan a computer algorithm recognize the hand of an artist? "Untitled 5" was hand drawn using Adobe Photoshop by my former graduate student Katherine Jones-Smith to investigate this very question. An article in the prestigious scientific journal 'Nature' claimed Jackson Pollock's drip paintings were fractal and had a distinctive fractal signature that could be used to authenticate Pollock's work. That claim unravelled when "Untitled 5" was found to be an authentic Pollock according to the fractal criteria. As a result "Untitled 5" has appeared in a publication in 'Nature,' in newspapers around the world and in a textbook on Chaos theory (but not yet in an art gallery). Meanwhile the answer to the question posed above: not yet.
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Show moreThis is one transverse section of a wild type, or genetically "normal," rodent spinal cord I imaged at 16x magnification and presented in nine screens, à la Warhol. The spinal cord section was originally stained using a technique called 'Immunohistochemistry' to look for a subpopulation of neurons that express the neurotransmitter serotonin. I then used Photoshop to artificially color the sections and to hand draw the supporting cells as well as the many possible neural connections it's able to make. The intent of this piece is to show how incredibly important the use of colors are to neuroscientists. We use colors to identify and highlight important players involved in Central Nervous System physiology with the expressed purpose of finding out where these important players are, when and how they interact with themselves as well as other neurological elements in vivo. Using an array of colors bound to specific proteins, we can therefore begin to elucidate certain aspects of how our Central Nervous System works.
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Show more"A digital photograph of the Galaxy Messier 101 (also known as the Pinwheel Galaxy), constructed over the course of three (non-consecutive) years using the Burrell Schmidt Telescope at Kitt Peak National Observatory. The galaxy was imaged four times, using four different color light filters: a filter that isolates mostly blue light, one that isolates greenish light, one that isolates mostly red light, and one that isolates a very specific kind of red light emitted mostly by newborn stars. Each of the four images contains around 20 hours of total exposure time. This color image of the galaxy was constructed by layering five different images: the red, green, and blue filter images to create an approximately true-color picture of the galaxy and surrounding environment, an image in which the newborn stars were isolated from the background starlight (seen as the pockets of red throughout the galaxy's spiral arms and elsewhere), and an image of the galaxy that has been heavily processed in order to bring out the faintest starlight at the galaxy's edges (seen as the faint blue 'halo' of light surrounding the galaxy). The latter contains stars that were most likely torn away from the Pinwheel through gravitational interactions with one or more of its neighbors (possibly the smaller galaxy seen near the bottom of the image), and even some very young stars that may have formed through the collapse of extended gas and dust (not pictured) caused by the interaction. The faintest light seen in this image is 1000 times fainter than the dark night sky. Observations of M101 were done by the following people: Chris Mihos, Paul Harding, Craig Rudick, John Feldmeier, Chelsea Spengler, and Aaron Watkins."
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Show moreA botanical plate illustration highlighting the detail of the orchid xZygolum Louisendorf from South America. Created using Adobe Photoshop and Illustrator.
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Show moreVertical ZnO 3D nanostructures were synthesized on Au covered c-plane GaN epilayer film on sapphire substrate by chemical vapor deposition method. The growth was conducted in a horizontal tube furnace with 1" diameter quartz tube. High purity ZnO powder and oxygen were used as the precursors. The growth was carried out for 1 hr at 900 C. The growth direction was polar. The image shows the 20 degree tilted view of the nanostructures. The image was taken at the Swagelok Center for Surface Material Analysis (SCSAM) at CWRU.
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Show moreZnO 3D nanostructures composed of an array of 1D nanowires and 2D nanowalls were synthesized by chemical vapor deposition (CVD) method on c-plane GaN epilayer covered sapphire substrate. The nanowire growth followed vapor-liquid-solid (VLS) growth mechanism and the nanowall growth followed vapor-solid (VS) growth mechanism. The substrate was covered by 5 nm Au film deposited by thermal evaporation. High purity ZnO powder and oxygen were used as the source materials and argon as carrier gas. The growth temperature was 900 C. The nanostructures grew vertically along polar c-plane orientation. The field emission scanning electron microscopy (FESEM) show the top view of the 3D nanostructures. The image was taken at Swagelok Center for Surface Analysis of Materials (SCSAM) at CWRU.
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