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Category: Mechanical Engineering

Mapping Medium’s Tags – Medium Engineering

Representing the meaning of tags on Medium using machine learning This was originally published Jan 18, 2018 on Hatch, Medium’s internal instance, to explain a hack week project to the company. When you publish a post on Medium, you’re prompted to add labels to your post that describe what your post is about. These tags are mostly free-form. Authors can write whatever they think describes their post. Adding some tags to a Medium post. As far as data goes, these tags are…

Getting to Know Todd Palino

What are some of the coolest projects that you and your team have been working on?Because Apache Kafka was originally developed at LinkedIn, we have a very strong Kafka development team. Both the Kafka development and SRE teams are very focused on open source work. As part of the SRE team, I took time to develop Burrow, which is an advanced tool for monitoring Kafka consumers. This solved a problem that LinkedIn had with how to monitor our applications, but…

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,…

Using haptic feedback joysticks to fly drones

A new joystick developed by startup MotionPilot lets users fly drones with just one hand in a fun, intuitive way. One version of this device includes a haptic feedback mechanism that gives users a sense of the drone’s position as it moves through the air. Drone aficionados were recently impressed by a prototype, and the device could hit the market soon. Drones are already used in a wide range of applications, such as monitoring crops, taking camera shots, racing, and,…

Building blocks to create metamaterials

An illustration of a metamaterial designed by Daraio’s team. Though each individual square is identical, their layout and the metamaterial’s overall design cause waves to propagate in a specific pattern through the material, as indicated by the squares’ different colors. Credit: Chiara Daraio/Caltech Engineers at Caltech and ETH Zürich in Switzerland have created a method to systematically design metamaterials using principles of quantum mechanics. Their work could pave the way for wider use of metamaterials in more mainstream applications by…

Nearing an NICU breakthrough

Currently, the device is in the early clinical trial stage. Before clinical trials, Roger Fales and the team developing the device tested its capabilities on a simulator. Photo courtesy of Roger Fales. Neonatal Intensive Care Unit (NICU) nurses have plenty on their plate on a daily basis. A Mizzou Engineering researcher is part of a team working on a new device that could help lessen their load. Roger Fales, associate professor of Mechanical and Aerospace Engineering, is partnering with Ramak…

Manufacturing a tasty cocktail

Manufacturing a tasty cocktail Dan Batliner, center, and Dogmaster Distillery paired with two MU Engineering capstone groups part of their coursework. The goal was to create actionable plans for a pair of challenges facing the distillery — optimizing facility space and streamlining production. Photo by Amy Parris. Dan Batliner earned his bachelor’s degree in chemical engineering from Mizzou in 1992, then spent the bulk of his career as a consultant in the water treatment industry. When an opportunity arose to…

Leveraging Activation Block Sparsity for Speeding up Convolutional Neural Networks

By applying convolutional neural networks (CNNs) and other deep learning techniques, researchers at Uber ATG Toronto are committed to developing technologies that power safer and more reliable transportation solutions. CNNs are widely used for analyzing visual imagery and data from LiDAR sensors. In autonomous driving, CNNs allow self-driving vehicles to see other cars and pedestrians, determine their exact locations, and solve many other difficult problems that could not previously be tackled with conventional algorithms. To ensure that our autonomous systems…

California’s water saving brings bonus effects — ScienceDaily

Water-saving measures in California have also led to substantial reductions in greenhouse gas (GHG) emissions and electricity consumption in the state. That is the conclusion of new research from the University of California, Davis, published today in the journal Environmental Research Letters. Measures to cut water use by 25 per cent across California were implemented in 2015, following a four-year drought in the state that caused the fallowing of 542,000 acres of land, total economic costs of $2.74 billion, and…

Breast cancer research gets a mechanical boost

One of the most puzzling questions in breast cancer research is why some tumors stay put, while rogue cells from others break free and spread to surrounding tissues, the first step toward creating a more lethal disease. Although researchers have found some signs in mutated genes or telltale proteins on the cell’s surface, those discoveries don’t tell the whole story. Curiously, one path to unraveling this mystery may lie in a field not usually associated with cancer research: mechanical engineering.…