3D Printing Industry | 2/26/2019 | Beau Jackson
xhelloworld (Posted by) Level 4
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As additive manufacturing continues to enable researchers worldwide, CrAMmed, 3D Printing Industry’s academic and AM research digest, shares the latest innovations and literature demonstrating its capabilities.

Engineers from Aalto University in Helsinki and collaborators from Duke University in Durham, North Carolina, have used 3D printed tubes to create a meta-mirror surface capable of reflecting acoustic waves. Ana Diaz-Rubio, a Postdoctoral researcher at Aalto’s Department of Electronics and Nano-engineering, stated:

Solutions - Reflection - Waves - Efficiency - Implementation

“Existing solutions for controlling reflection of waves have low efficiency or difficult implementation.”

“We solved both of those problems. Not only did we figure out a way to design high efficient metasurfaces, we can also adapt the design for different functionalities. These metasurfaces are a versatile platform for arbitrary control of reflection.”

Development - Researchers - Devices - Sound - Waves

With this development, the researchers plan to create devices for controlling sound waves which can then be applied to electromagnetic fields. “Power flow–conformal metamirrors for engineering wave reflections” is published in Science Advances.

The 3D printed ABS acoustic metasurface. Photo via Aalto University.

Corneile - Minnaar - Pollination - Biologist - Department

Corneile Minnaar, a pollination biologist in the Department of Botany and Zoology at Stellenbosch University, South Africa, has used quantum dots and a 3D printed box to track and label individual pollen grains. This novel, inexpensive method is designed to fully understanding floral function, evolution, and ecology.

Quantum dots are luminous, water-soluble nanoparticles produced by breaking down larger carbon structures such as graphite and nanotubes. Such particles are non-toxic to living organisms, meaning they are finding a range of applications in medicine.

Fluorescence - Box - Dissection - Microscope - Minnaar

“I decided to design a fluorescence box that can fit under a dissection microscope,” explained Minnaar. “And, because I wanted people to use this method, I designed a box that can easily be 3D printed at a cost of about 5,000 Rand ($355 US), including the required electronic components.”

“Using quantum dots as pollen labels to track the fates of individual pollen grains”...
(Excerpt) Read more at: 3D Printing Industry
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