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Author: engineering

Research finds that consuming encapsulated placentas has little to no effect on postpartum mood and maternal bonding; detectable changes shown in hormones — ScienceDaily

A groundbreaking study by UNLV researchers shows that taking placenta capsules has little to no effect on postpartum mood, maternal bonding, or fatigue, when compared to a placebo. Consuming the placenta (in pill form) following childbirth is an increasingly popular trend in industrial countries, such as the United Kingdom, France, Germany, Australia, and the United States. Although precise estimates are not yet available, most experts agree there are many thousands of women in the U.S. alone who practice maternal placentophagy.…

cDC2 dendritic cells key to vaccine effectiveness — ScienceDaily

In vaccination, a certain subpopulation of dendritic cells is vital to triggering the body’s adaptive immune system, report researchers at The Jackson Laboratory (JAX), Yale University and Astra-Zeneca. Their findings have important implications for vaccine delivery, as the usual method, intramuscular injection, is likely not the most effective way to target those dendritic cells. Vaccines train the immune system to fight a given pathogen (e.g., bacteria or virus), known generally as an antigen, by simulating a natural infection. When an…

Researchers print ‘living materials’ with bacteria-loaded inks

3-D printing with an ink that is containing living bacteria. Credit: Bara Krautz /scienceanimated.com There will soon be nothing that cannot be produced with 3D printing. However, the materials used for this process are still “dead matter” such as plastics or metals. A group of ETH researchers led by Professor André Studart, Head of the Laboratory for Complex Materials, has now introduced a new 3D printing platform that works using living matter. The researchers developed a bacteria-containing ink that makes…

Improving Document Preview Performance | Dropbox Tech Blog

Previews in Showcase Ever open a file on dropbox.com, or click a shared link your coworker sent you? Chances are you didn’t need to download the file to see it—you saw it right in the browser. This is the work of the Previews team at Dropbox. Previews are part of the core Dropbox experience. They allow architects to access their entire portfolios on dropbox.com while at the job site to show their work. Designers can send work-in-progress to clients without…

URI engineering project brings joy to amputees in Colombia

Corvah Akoiwala, left, demonstrating a new prosthetic arm to Joysi, a Colombian boy who lost his forearm in an accident. Colombian student Carlos Roa is on right. Credit: Silke Scholz The boy looked at his new arm and grinned. How does that big thing work? What’s with the wires? Circuit boards? Corvah Akoiwala leaned across the table and pressed a button. The fingers balled into a fist, then burst open. The boy’s eyes lit up. Akoiwala asked the boy to…

Inspecting rotor blades with thermography and acoustic monitoring

Industrial climbers abseiling down a rotor blade. Credit: Seilpartner GmbH Wind turbines have a design life of 20 years. The rotor blades must be regularly inspected at least once every four years to verify their structural integrity. This type of work is performed by industrial climbers. But the problem with inspecting offshore installations is that access is only possible when wind and weather conditions permit. This makes it very difficult to plan inspection visits. In the Thermoflight research project, Fraunhofer…

Lightweight, compact VR glasses made possible by large-area microdisplays

Thanks to a cleverly designed system concept and modern design methodology, the new OLED microdisplay achieves a resolution of 1920 x 1200 pixels. Credit: Claudia Jacquemin VR glasses are increasingly popular, but they have usually been heavy and oversized – until now. Large-area microdisplays are expected to change that, because they make it possible to produce ergonomic and lightweight VR glasses. The new OLED displays now reach very high frame rates and achieve extremely high resolutions with “extended full HD.”…

Measuring optimally with spheres

With the miniaturized radio transmission inside the sphere, the measured data is transmitted live to a base station. Credit: Fraunhofer ENAS Bio-reactors are the cooking pots of biochemists and bio-technologists, in which pharmaceutical agents, enzymes or nematodes are produced for the purpose of biological pest control. A nutrient solution (such as heat, oxygen, acid or alkali) is used to regulate the pH value and the desired product is formed. The more optimal the conditions are, the greater the yield will…

‘Origami’ lattices with nano-scale surface ornaments

Credit: Delft University of Technology Inspired by origami, the Japanese art of paper folding, researchers at TU Delft are developing an alternative to 3-D printing that gives the final products many more functionalities than what is possible with 3-D printing. Such functionalities could, for instance, be used in medical implants or devices incorporating flexible electronics. In their publication in Science Advances on Wednesday November 29th, the scientists report successfully applying their technique to lattice structures. Lattice structures are used in…

Remains of historic aircraft found

The “Raise the Arrow” team gathers for a photo behind the AUV. Credit: Fraunhofer IOSB-AST DEDAVE is an innovative autonomous underwater vehicle developed by researchers at the Fraunhofer-Gesellschaft. Now the deep-diving robot has had its first chance to prove itself in action as it helped hunt down historic test models of a Canadian interceptor aircraft in Lake Ontario. The mission has been a success, with two of the confirmed eight aircraft models already tracked down. Designed for deepwater diving, autonomous…