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Engineering News

Engineer says new study forces researchers to rethink how elderly break their bones

University of Utah mechanical engineering assistant professor Claire Acevedo. Credit: Dan Hixson/University of Utah College of Engineering. To better understand why many elderly people are prone to break a bone in a fall (known as bone fragility fractures), perhaps doctors and researchers should look at the human skeleton in much the same way civil engineers analyze buildings and bridges, according to a new study from a University of Utah mechanical engineering professor. A team of researchers led by U mechanical…

Survey results show Christians becoming less concerned about the environment — ScienceDaily

There has been no “greening of Christianity” among people in the pews, despite efforts by some religious leaders to emphasize environmental stewardship, according to new Indiana University research. David Konisky of IU’s School of Public and Environmental Affairs analyzed 20 years of survey results from Gallup public opinion polls in one of the first major studies of how attitudes about the environment by self-identified U.S. Christians have shifted over time. He found that environmentalism is not increasing, and there are…

Tumblr Engineering — How I review code

Reviewing code is one of the most important parts of an engineer’s job at Tumblr, even more so than writing code. Our codebases are shared by hundreds of engineers, so it’s critical to make sure we’re not just writing the best code we can, but that the code being written can be understood by others. Taking the time to review someone else’s code is the most critical opportunity to ensure all of that is happening. At Tumblr, every code change…

Emerging 5G networks – new opportunities for drone detection?

Credit: Aalto University Researchers from Aalto University and Tampere University of Technology in Finland have addressed new possibilities for efficient detection of drones by relying on future 5G communication systems. There, mmWave base stations may act as multistatic radar system receivers, thus acquiring the reflected signal from nearby flying drones. Today, unmanned aerial vehicles (UAVs), or simply drones, are becoming more and more popular as they are utilized in various applications. Modern technologies and materials allow for constructing cheaper, smaller,…

Drones learn to navigate autonomously by imitating cars and bicycles

By imitating cars and bycicles, the drone automatically learned to respect the safety rules. Credit: UZH All today’s commercial drones use GPS, which works fine above building roofs and in high altitudes. But what, when the drones have to navigate autonomously at low altitude among tall buildings or in the dense, unstructured city streets with cars, cyclists or pedestrians suddenly crossing their way? Until now, commercial drones are not able to quickly react to such unforeseen events. Researchers of the…

Drones take off in agriculture industry

Andrew Weaver pilots a drone to test the herd’s sensitivity to the device. Credit: Virginia Tech Could the newest farmhand be a drone? Research in the College of Agriculture and Life Sciences is bringing drone technology to agriculture, one of the major industries with excellent potential for growth. Specifically, drone technology is being tested with sheep at Virginia Tech. “We are looking at ways drones can be used on small farms,” said Dan Swafford, project associate for Virginia Cooperative…

New neuron-like cells allow investigation into synthesis of vital cellular components

A new method to create synthetic neurons allows researchers to investigate how the human brain makes metabolic building blocks essential for the survival of all living organisms. A new study describes a core enzyme involved in the synthesis of these building blocks, called purines, and how the enzyme might change during infection by herpes simplex virus. Source link…

Inverse-design approach leads to metadevices

Imagine wafer-thin eyeglasses or a smartphone camera so small it is invisible to the naked eye. Imagine an aerodynamic sensor that can conform to the exact slope and angle of a jet airplane wing. Imagine a material that can coat a tank to make it seem to disappear. These visions of future technologies emerge from a technical paper titled “Inverse-designed broadband all-dielectric electromagnetic metadevices” published online today in Scientific Reports. The Northwestern University team used inverse design…

3-D printing improves cell adhesion and strength of PDMS polymer

A nose created using 3-D printing of PDMS from National Institutes of Health 3-D Print Exchange. Credit: Ibrahim Tarik Ozbolat Lab / Penn State Combining two different polymer forms can switch manufacturing of silicone parts from molding, casting and spin coating of simple forms to 3-D printing of complex geometries with better mechanical characteristics and better biological adhesion, according to a team of Penn State researchers. “So far, PDMS (polydimethylsiloxane, or silicone) has limitations in formability and manufacturing of devices,”…

Spotify Spotlight: Interview with Data Engineer Ankita Pawar

This is part 4 in our new interview series called “Spotify Spotlight.” In these interviews, we showcase Spotifiers working in a range of different tech roles, and learn more about their journey to Spotify and what they love about working here. What’s your name and where are you from? My name is Ankita Pawar. I was born and raised most of my young age in Aurangabad, Maharashtra, India. I completed my undergrad in Computer Science in my hometown before moving…