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Category: Civil Engineering

New infrastructure approach could save millions

Credit: Pixabay/CC0 Public Domain Current national strategies for bridge maintenance favor replacement over maintenance. A fairly simple depreciation formula is used, resulting in overly conservative assessments of a bridge’s long-term health. In a study published in the American Society of Civil Engineers’ Journal of Performance of Constructed Facilities, researchers from UGA’s College of Engineering propose a new model for the first time. This new approach considers the interaction of 60 to 80 bridge components in predicting long-term bridge performance and…

Why I’m helping Cloudflare grow in Canada

I am incredibly excited to join Cloudflare as Head of Sales for Canada to expand the company’s growth in the region as part of its mission to help build a better Internet. This is an important milestone for Cloudflare to better serve the needs of our Canadian customers, recruit local talent, and build on the regional successes we’ve had around the globe. Internet security, privacy, and performance are key drivers for every business, individual, and public sector organization. Universal dependency…

DDoS attack trends for 2021 Q1

Last week was Developer Week at Cloudflare. During that week, our teams released a bunch of cool new products, including a bunch of improvements to Workers. And it’s not just our customers that love deploying apps with Workers, but also our engineering teams. Workers is also what powers our Internet traffic and attack trends on Cloudflare Radar. Today, along with this deep-dive analysis blog, we’re excited to announce the new Radar DDoS Report page, our first fully automated data notebook…

Solving for the cardinality of set intersection at scale with Pinot and Theta Sketches

With this new schema, we were able to reduce our data size nearly 88%, from close to 1 TB down to 120 GB. This approach also had the added benefit of being able to perform more frequent data refreshes into Pinot, thereby drastically improving data freshness for our customers. In addition, the new schema would not need to be altered by the introduction of new member dimensions.  The new schema required us to change our queries as well. For example,…

Road building won’t cut congestion or boost the economy

Credit: Clive Stapleton/Shutterstock British politicians, national and local, tend to like investing in roads. The Treasury believes that the Department for Transport’s approach to economic analysis is sound, and so is willing to award substantial funds. The department is happy to accept them, as are the civil engineering contractors that benefit. The most recent result is a £27.4 billion investment program designed to maintain and enlarge England’s motorways and A-roads over five years. Part of this will involve creating so-called…

Making music from spider webs — ScienceDaily

Spiders are master builders, expertly weaving strands of silk into intricate 3D webs that serve as the spider’s home and hunting ground. If humans could enter the spider’s world, they could learn about web construction, arachnid behavior and more. Today, scientists report that they have translated the structure of a web into music, which could have applications ranging from better 3D printers to cross-species communication and otherworldly musical compositions. The researchers will present their results today at the spring meeting…

Building the Future of Our Desktop Apps : Spotify Engineering

April 7, 2021 Published by Spotify Engineering For the past couple of years, we’ve been on a mission to modernize our Spotify clients by creating one single desktop UI for both the Desktop application and the Web Player. We couldn’t build everything we wanted to for our users with our old setup, so we decided to do something about it. In the beginning, there were two clients Towards the end of 2018, our team was the…

3D city models can serve hundreds of purposes

Credit: Aalto University 3D City models can be used in map applications, urban planning, virtual events and as a starting point for various other applications. At Aalto University, research into the topic has focused on ways to use city models in the Capital Region and on applying new 3D mapping technologies to the modeling of cities. Vast, three-dimensional models of urban environments are already a familiar sight—you might explore one in a video game, for example—but they can also be…

Making cleaner, greener plastics from waste fish parts — ScienceDaily

Polyurethanes, a type of plastic, are nearly everywhere — in shoes, clothes, refrigerators and construction materials. But these highly versatile materials can have a major downside. Derived from crude oil, toxic to synthesize, and slow to break down, conventional polyurethanes are not environmentally friendly. Today, researchers discuss devising what they say should be a safer, biodegradable alternative derived from fish waste — heads, bones, skin and guts — that would otherwise likely be discarded. The researchers will present their results…

Detecting Image Similarity in (Near) Real-time Using Apache Flink | by Pinterest Engineering | Pinterest Engineering Blog | Mar, 2021

Shaji Chennan Kunnummel| Software Engineer, Content QualityIaroslav Tymchenko| Software Engineer, Content Quality Pinterest is a visual platform at its core, so the need to understand and act on images is paramount. A couple of years ago, the Content Quality team designed and implemented our own batch pipeline to detect similar images. The similarity signal is widely used at Pinterest for use cases varying from improving recommendations based on similar images to taking down spam and abusive content. However, it was…