Images

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Crystal in a Haystack

Filed under the keywords

This image was taken on the scanning electronic microscope (SEM). It is of a pre-ceramic material that has begun to crystallize upon pyrolysis. The loan crystal is shown amidst the amorphous material.

CT Slice of Cooled Turbine Blisk

Filed under the keywords

Image is one slice image from a highpower CT machine of a cooled turbine blisk casting manufactured by Williams International. CT imaging was done to inspect the passageways for blockages, anomalies, and to measure minimum wall thicknesses. Image was purposely distorted for visual effect.

Flower Powered Hypersonic Inlet with Bleed Perforations

Filed under the keywords

Mach (top) and pressure (bottom) contours for axisymmetric Busemann inlet with evenly spaced bleed perforations along length of inlet. Images show changes in Mach and pressure contours as a function of inlet length ranging from inlet start (left) and inlet throat (right). Contours were produced via Cart 3D, an inviscid code for automated CFD.

Hidden Gems

Filed under the keywords

Pre-ceramic resin was placed in a crucible in a tube furnace and pyrolyzed to 1600°C under Argon. The scanning electronic microscope (SEM) image was taken of the sample. The SiC crystals can be seen that were beginning to form on the surface.

Macrophage Nebula

Filed under the keywords

A single confocal microscopic image of the interior of a human macrophage cell with pseudocolor representation of various cell features reveals a natural complexity that rivals complexity of cosmological nebula.

MAV PIV Wall Effects

Filed under the keywords

A PIV laser illuminates the Night Vapor RC aircraft beautifully as it passes through the laser sheet. Processing this type of raw PIV image makes it possible to visualize the wingtip vortex of the aircraft as it flies in close proximity to a wall seen on the left side of the image.

OPGaAs Wabi-Sabi

Filed under the keywords

This defect cluster in orientation-patterned gallium arsenide (OPGaAs) is a perfect example of wabi-sabi (侘寂), the Japanese aesthetic of imperfection. While of no practical use, this defective sample still possesses a beauty of its own.

Pac-Man (Alveolar Macrophage) Eats Green Beads (60 nm FITC Doped Silica Nanoparticles)

Filed under the keywords

These images of rat alveolar macrophages exposed to FITC doped silica nanoparticles were captured in a series through the z-plane using a laser scanning confocal microscope (Olympus). The fluorescent silica particles are packaged into phagosomes, which are distributed throughout the cell, showing that the macrophage is reaching capacity. At a certain concentration, the capacity of the macrophages to ingest particles will be overwhelmed, and their ability to remove foreign matter from the airways will be compromised.

Polymer Crystals - Sunflower Type Morphology

Filed under the keywords

These are the images of poly-amide crystals grown from solution. Crystals are seen under optical microscope (lower resolution) and Scanning electron Microscope (Higher resolution). These images are an artistic capture of polymer crystals which conveys the message: “nature loves symmetry and beauty”.

Silver Nanoparticles Illuminated Under a Darkfield Microscope

Filed under the keywords

This image was captured using a hyperspectral microscope (CytoViva, Auburn, AL). The different scattered colors provide information about the size and shape of the nanoparticles, and it has been shown that blue, green, yellow, and red correlate with sphere, pentagon, rounded-triangle, and triangle shaped particles, respectively (Mock et al., 2002). This data can be stored in a software program to later identify silver nanoparticles with specific properties within more complex environments, such as cells.