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Author: engineering

Do we know what we want in a romantic partner? No more than a random stranger would — ScienceDaily

We all can describe our ideal partner. Perhaps they are funny, attractive and inquisitive. Or maybe they are down-to-earth, intelligent and thoughtful. But do we actually have special insight into ourselves, or are we just describing positive qualities that everyone likes? New research coming out of the University of California, Davis, suggests that people’s ideal partner preferences do not reflect any unique personal insight. The paper, “Negligible Evidence That People Desire Partners Who Uniquely Fit Their Ideals,” was published last…

Design Competence: Sean Carney on Data-Connected Solutions in Healthcare

For almost a half-century, the development of Ethernet has moved inexorably in one direction—faster. When Robert Metcalfe co-invented it with his team at Xerox Palo Alto in the 1970s, Ethernet had an initial speed of 2.94 megabits/second over coaxial cable. In 1980, the original 10 Mbit/s standard was published with an additional option: twisted pair copper cables. Fast Ethernet (100Mbit/s) debuted in 1995, followed by Gigabit Ethernet in 1998. Today Industrial Ethernet has reached 400 Gbit/s, and true terabit speeds—exceeding…

German firm creates bionic birds

Credit: Festo Some might say it’s for the birds. But the latest creation from German robotics company Festo promises not only literal flights of fancy, but quite promising real-world applications down the road as well. The company unveiled a video of a stunningly lifelike fleet of robo-birds that glide through the air with guidance from an ultra-sideband radio system. Festo has been an innovator of miniaturized robotic devices for years. They have manufactured robotic seagulls, jellyfish, butterflies and kangaroos. Their…

Retrie: Haskell refactoring made easy

What’s new: We’ve open-sourced Retrie, a code refactoring tool for Haskell that makes codemodding faster, easier, and safer. Using Retrie, developers can efficiently rewrite large codebases (exceeding 1 million lines), express rewrites as equations in Haskell syntax instead of regular expressions, and avoid large classes of codemodding errors. Retrie’s features include the ability to rewrite expressions, types, and patterns; the ability to script rewrites and add side conditions; and a library for scripting more advanced rewrites. Retrie also respects and…

Mizzou Engineering Alum Leads Autonomous Vehicle Testing

Intersection at the Transportation Research Center working on Autonomous Vehicle Testing Imagine your hour-long commute to work, typically taken up by podcasts, the radio or listening to music. But what if you could do more with this time? Mizzou Engineering alum Tanner Thiessen is at the forefront of testing and developing the latest autonomous and connected vehicles to see how your vehicle can make you more productive. Innovative Facility Thiessen, a 2016 graduate of the mechanical and aerospace engineering department,…

Career Liftoff – University of Missouri College of Engineering

MAE student Mark Magnante at Arches National Park in Utah. Mark Magnante’s internship at Northrop Grumman in Ogden, Utah is helping him learn the role of a test engineer. “For my internship, I am creating flight test plan contingencies for the flight testing of next generation rockets,” Magnante said. “I am gaining insights into methods and procedures to prevent slippage in schedules in terms of meeting goals and other key dates for major projects.” Magnante, a student in the Department…

Researchers develop soft electromagnetic actuators with medical potential

Working principle and fabrication process of SEMAs. (A) Schematic working principle of a SEMA subjected to a current load in a magnetic field. (B) A swimming soft shark driven by SEMAs (tail and fins; movie S1). (C) Main steps of the SEMA fabrication: molding of the silicone elastomer, bonding to a sheet of elastomer to fabricate channels, and, last, injection of the liquid metal. Front and side layout of the finished square SEMA with both ends of the liquid metal…

Is The Computer World Getting Beyond Repair?

Louis Rossman runs the Rossman Group, a team of about a dozen computer repair people in Manhattan.  Recently he was interviewed on the topic of the “right to repair,” a concept that is of intense interest both to technicians employed in the repair industry and to anyone whose computer or phone goes on the blink, and is not prepared to chuck it and buy a new one.  In the interview, Rossman describes the many ways that companies like Apple make…

First evidence of snake-like venom glands found in amphibians — ScienceDaily

Caecilians are limbless amphibians that, to the untrained eye, can be easily mistaken for snakes. Though caecilians are only distantly related to their reptilian cousins, researchers in a study appearing July 3 in the journal iScience describe specialized glands found along the teeth of the ringed caecilian (Siphonops annulatus), which have the same biological origin and possibly similar function to the venom glands of snakes. If further research can confirm that the glands contain venom, caecilians may represent the oldest…

Watch Out, MEMS Switches—Much-Smaller NEMS Versions are Coming After You!

For decades, multi-layer ceramic capacitors (MLCCs) have been the go-to choice for surface-mounted capacitors due to their many advantages, such as wide available capacitance range, non-polarity, low ESR, and low cost. Most designers know that the effective capacitance of Class II MLCCs can be reduced significantly when dc bias is applied across the capacitor. However, in addition to the dc bias effect, other important factors can impact the effective capacitance of Class II MLCCs. These factors include ac bias, signal…