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Author: engineering

Teaching Old Equipment New IIoT Tricks

In spite of recent slowdowns in the initial expansion of the Internet of Things (IoT), strong long-term growth is still projected throughout the next decade. Some are even predicting a doubling of the industrial sector IoT in the next couple of years. Most of us imagine that growth will consist largely of new IIoT-ready equipment, smart sensors and controls, and that old plants filled with legacy machinery will be ripped up and replaced to fulfill industrial Internet of Things (IIoT)…

3D Printers in Service to Others

3-D Printing Club members Jack Allen, Stewart Aldrich, JD Peiffer and Chris Scully with the prosthetic hand they are developing. A Mizzou student organization based in the College of Engineering recently has completed a pair of projects designed to help others. The 3D Printing Club (3DPC), which is open to any current student or employee of the university, had planned to ship a prototype of a prosthetic hand to a charity in India and did install a tactile map of…

Molecular Motor Proteins » Curious Cat Science and Engineering Blog

Molecular Motor Proteins Posted on January 27, 2020  Comments (0) Webcast on amazing processes inside cells by Ron Vale. Molecular motor proteins are fascinating enzymes that power much of the movement performed by living organisms. The webcast provides an overview of the motors that move along cytoskeletal tracks (kinesin and dynein which move along microtubules and myosin which moves along actin). The talk first describes the broad spectrum of biological roles that kinesin, dynein and myosin play in cells. The…

JavaScript Libraries Are Almost Never Updated Once Installed

Cloudflare helps run CDNJS, a very popular way of including JavaScript and other frontend resources on web pages. With the CDNJS team’s permission we collect anonymized and aggregated data from CDNJS requests which we use to understand how people build on the Internet. Our analysis today is focused on one question: once installed on a site, do JavaScript libraries ever get updated? Let’s consider jQuery, the most popular JavaScript library on Earth. This chart shows the number of requests made…

5 MOSFETs with Low On-Resistance

System designers have a bifurcated relationship with battery cells based on lithium chemistries. On one side, they appreciate and need the high energy density by weight and volume offered by these cells. On the other side, they’re aware of the very careful management required by these cells and their potential for thermal runaway (TR), fire, and even explosion due to internal defects. To better understand the dynamic characteristics of lithium-ion (Li-ion) cells, a multi-organizational NASA team has developed a calorimeter…

Device could be used to find threats to ecosystems — ScienceDaily

Imagine a device that could swiftly analyze microbes in oceans and other aquatic environments, revealing the health of these organisms — too tiny to be seen by the naked eye — and their response to threats to their ecosystems. Rutgers researchers have created just such a tool, a portable device that could be used to assess microbes, screen for antibiotic-resistant bacteria and analyze algae that live in coral reefs. Their work is published in the journal Scientific Reports. The tool,…

Profiting from Nonprofits? The Sale of Dot-Org

You’re probably familiar with websites that end in .org, which is one of the original domain names that the Internet started out with back in the 1980s.  Historically, it was used to distinguish nonprofit organizations from those whose URL ends with .com, which presumably were in it for the money.  That distinction is no longer observed, as anyone with enough money and an idea for a .org domain name that nobody’s thought of yet can get one, profit or no…

Can lithium halt progression of Alzheimer’s disease? Researchers’ findings show that may be the case — ScienceDaily

There remains a controversy in scientific circles today regarding the value of lithium therapy in treating Alzheimer’s disease. Much of this stems from the fact that because the information gathered to date has been obtained using a multitude of differential approaches, conditions, formulations, timing and dosages of treatment, results are difficult to compare. In addition, continued treatments with high dosage of lithium render a number of serious adverse effects making this approach impracticable for long term treatments especially in the…

Opioid dependence found to permanently change brains of rats — ScienceDaily

Approximately one-quarter of patients who are prescribed opioids for chronic pain misuse them, with five to 10 percent developing an opioid use disorder or addiction. In a new study, published Jan. 14, 2020 in PNAS, researchers at University of California San Diego School of Medicine found that opioid dependence produced permanent changes in the brains of rats. More specifically, researchers reported that dependence on oxycodone, a potent opioid painkiller, led to permanent neuro-adaptations of the central nucleus of the amygdala…

Long understood as source of novel genetic traits, jumping genes also provide genomic stability — ScienceDaily

“Jumping genes” — bits of DNA that can move from one spot in the genome to another — are well-known for increasing genetic diversity over the long course of evolution. Now, new research at Washington University School of Medicine in St. Louis indicates that such genes, also called transposable elements, play another, more surprising role: stabilizing the 3D folding patterns of the DNA molecule inside the cell’s nucleus. The study appears Jan. 24 in the journal Genome Biology. The DNA…