Beauty Under the Microscope

De-hydrated alginate spheres, imaged with the secondary electron detector in a scanning electron microscope (SEM).

Imaged at 100x using a Keyence microscope.

Digital photograph of thin section of polycrystalline S2 freshwater ice under cross-polarized light to illuminate its columnar-grained microstructure.

Calcium carbonate crystal, false colored with a blue filter.

Sintered, freeze-cast hydroxyapatite scaffold with horizontal canal, templated by an alginate strut.

Highly aligned microridges run alongside the walls in ice-templated carboxymethylcellulose scaffolds.

Chitosan scaffold imaged by SEM at 100X. First-place winner (tied).

Nanocellulose fibril scaffold. Second-place winner (tied).

Chitosan Spheres with additional “burnmarks” created with the electron beam.

PVDF fiber with 300nm diameter and 3um length fabricated by template assisted method. First-place winner (tied).

Debris adhered to the inner surface of a titanium tube was deposited during cutting of the tube and caused detrimental scratches.

Beauty Under the Microscope

Nov - Dec 2014

Thayer engineering students (mostly Ph.D. candidates) recently produced images to highlight the creativity and beauty of research as part of a Visionaries in Technology contest. Here are a few examples of their extreme close-ups.

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Beauty Under the Microscope

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