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Category: Mechanical Engineering

Big Data Processing at Spotify: The Road to Scio (Part 1)

This is the first part of a 2 part blog series. In this series we will talk about Scio, a Scala API for Apache Beam and Google Cloud Dataflow, and how we built the majority of our new data pipelines on Google Cloud with Scio. Scio> Ecclesiastical Latin IPA: /ˈʃi.o/, [ˈʃiː.o], [ˈʃi.i̯o]> Verb: I can, know, understand, have knowledge. Over the past couple of years, Spotify has been migrating our infrastructure from on premise to Google Cloud. One key consideration…

Deterring drones from ballparks and botanical gardens

Mary ‘Missy’ Cummings standing with a hovering drone in the Sarah P. Duke Gardens at Duke University, where she will work to generate a set of inexpensive, unobtrusive best practices to deter unwanted drone usage. Credit: Duke University To study how an outdoor public space might shoo away unwanted drone aircraft, researchers from Duke University are teaming up with the Durham Bulls and the Sarah P. Duke Gardens to develop a set of affordable and aesthetic guidelines for deterring drones.…

Developer Experience Lessons Operating a Serverless-like Platform At Netflix — Part II

By Ludovic Galibert, Vasanth Asokan and Sangeeta Narayanan In Part 1 of this series, we outlined key learnings the Edge Developer Experience team gained from operating the API dynamic scripting platform which provides a serverless or FaaS like experience for client application developers. We addressed the concerns around getting code ready for production deployment. Here, we look at what it takes to deploy it safely and operate it on an ongoing basis. Deployments Simplicity and abstraction of operations come with…

Haumea, the most peculiar of Pluto companions, has a ring around it — ScienceDaily

At the ends of the Solar System, beyond the orbit of Neptune, there is a belt of objects composed of ice and rocks, among which four dwarf planets stand out: Pluto, Eris, Makemake and Haumea. The latter is the least well known of the four and was recently the object of an international observation campaign which was able to establish its main physical characteristics. The study, led by astronomers from the Institute of Astrophysics of Andalusia and published in Nature,…

Autonomous driving at the bus depot

Credit: Laila Tkotz/KIT Autonomous driving is an important element of new mobility concepts, not only in the private car sector. A study of Karlsruhe Institute of Technology (KIT), KIT’s Research Center for Information Technology (FZI), and Stuttgarter Straßenbahnen AG (Stuttgart Trams, SSB) now reveals how autonomous driving at bus depots can work and reduce costs. The project partners will present their model of a semi-autonomous bus depot at the EVS30 – The Electric Vehicle Symposium and Exhibition on October 09…

Engineers identify key to albatross’ marathon flight

Engineers at MIT have developed a new model to simulate dynamic soaring, and have used it to identify the optimal flight pattern that an albatross should take in order to harvest the most wind and energy. They found that as an albatross banks or turns, it should do so in shallow arcs, keeping almost to a straight, forward trajectory. Credit: Massachusetts Institute of Technology The albatross is one of the most efficient travelers in the animal world. One species, the…

Researchers point to early warning signs in military vehicle structural ‘wellness’

Atomic force microscope image of a residual indent. Credit: U.S. Army Research Laboratory Researchers from the U.S. Army Research Laboratory have shown that early fatigue damage behavior in structures may be predicted through the study of the microscale mechanical behavior of the material. The findings are an important result for the structural health monitoring (SHM) community and may lead to new sensing techniques for predicting the service life of critical components. ARL researchers Daniel Cole, Ed Habtour, Tomoko Sano, Sean…

Car Infotainment Distractions Can Be Deadly

A study just released by the AAA Foundation for Traffic Safety shows that many 2017-model cars have infotainment features that can dangerously distract drivers.  Such distractions may be an important reason why, after declining for years, the annual car-fatality rate in the U. S. rose in 2016. A report in the Washington Post describes how University of Utah researcher David Strayer led a study involving about 30 different 2017-model vehicles, ranging from a Ford F250s to a Tesla Model S. …

Using neural networks to predict customers’ needs – Square Corner Blog – Medium

Deep learning for browsing and path analysis. Square provides a powerful analytics tool called Seller Dashboard that gives our sellers insights into, and tracking of, their businesses. Using this tool, Square sellers can view their daily sales summary, manage inventory, confirm deposits, and do much more to untangle complicated tasks they face every day. The primary goal of the Seller Dashboard team here at Square is to promptly address our sellers’ problems when they arise, while also continuing to enhance…

Getting to Know David Max

Before joining LinkedIn in the New York City office in February 2015, he worked at Google on ad serving for about two years. Before that, he spent about 10 years working in financial technology for various financial firms, such as Barclays and Goldman Sachs. David received his bachelor’s degree in computer science from Caltech and his master’s degree from New York University. What are your favorite kinds of engineering stories to read on the blog?My favorite kinds of engineering stories…