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Category: Civil Engineering

Engineering Ethics Blog: The Massachusetts Gas Disaster

Being one of the longest-settled regions of the U. S., the Commonwealth of Massachusetts has been home to gas utility companies for close to a century and a half.  Unfortunately, some of the pipes installed in the 19th century are still in use in older parts of the state, notably around Lawrence, Andover, and North Andover in the Merrimack Valley north of Boston.  So earlier this month, Columbia Gas of Massachusetts, the gas utility serving the area, announced that it…

Waste plastic in concrete could support sustainable construction in India

The Bath-led research has shown how replacing 10 per cent of sand in concrete with waste plastic may help to reduce the vast amounts of plastic waste on India’s streets, and deal with a national sand shortage. Credit: University of Bath Research at the University of Bath has shown waste plastic to be a viable partial replacement for sand in structural concrete, providing one possible solution for future sustainable construction whilst addressing sand shortages in India. The Bath-led research—in partnership…

Mizzou engineering students figure feasibility of hyperloop

Following the presentation, student teams were broken off and sent to brainstorm for a two-minute pitch. They were asked to focus on how a Columbia Hyperloop portal could best serve students, the city of Columbia and surrounding areas, and how to utilize off-peak pods to generate revenue. Photo by Brandan Haskell. Virgin Hyperloop One and Black & Veatch partnered with MU’s College of Engineering on September 6 for an event where students brainstormed with engineers on the Virgin Hyperloop One…

Keystone Real-time Stream Processing Platform – Netflix TechBlog – Medium

Our Approach With considerations to aforementioned challenges and design principles, we closed on a declarative reconciliation architecture to drive a self-servable platform. On a high level, this architecture allows user to come to the UI to declare desired job attributes, the platform will orchestrate and coordinate subservices to ensure goal states are met as quickly as possible, even in face of failures. This following section covers the high level architecture and lightly touches various areas of the design. We’ll share…

Engineering to Improve Marketing Effectiveness (Part 2) — Scaling Ad Creation and Management

by Ravi Srinivas Ranganathan, Gopal Krishnan In the first part of this series of blogs, we described our philosophy, motivations, and approach to blending ad technology into our marketing. In addition, we laid out some of the engineering undertakings to solve creative development and localization at scale. In this Part-2, we describe the process of scaling advertising at Netflix through ad assembly and personalization on the various ad platforms that we advertise in. The Problem Surface Our world-class marketing team has…

Resume Assistant: The Collaboration Between Microsoft and LinkedIn

Resume Assistant was built as a hybrid feature inside Word applications by both LinkedIn engineers and Microsoft engineers. The Microsoft team took ownership of everything that happens in and is heavily-embedded in Word, e.g., Resume Classifier, Resume Info Extractor, the onboarding page, etc., while LinkedIn engineers focused on building the main UI, service, and relevance model of the Resume Assistant feature. Let’s introduce Resume Classifier and Resume Info Extractor first. The Resume Classifier detects if a user opens a resume…

Ethiopia opens plant to turn waste into energy

A photo taken March 12, 2017 shows a view of the main landfill of Addis Ababa on the outskirts of the city, where Ethiopia has built a power plant to convert waste into energy Ethiopia on Sunday inaugurated a power plant which converts waste into energy, next to a filthy open-air dump in Addis Ababa where a landslide last year killed more than 110 people. Named Reppie, the facility is the first of its kind in Africa, according to the…

From pine cones to an adaptive shading system

The movable sunshade made of bilayered wooden planks does not need to be controlled and runs without electricity, completely autonomously. Credit: Chiara Vailati/ETH Zurich An adjustable shading system that adapts itself independently over the course of the day, without sensors or motors and largely maintenance-free? It really is possible: an ETH doctoral student at the Institute for Building Materials has developed an alternative to motor-driven sunshades. It gets hot in the city in summer, and buildings in direct sunlight get…

Italy collapse points to difficulties with aging bridges

A view of the evacuated houses built under the remains part of the collapsed Morandi highway bridge, in Genoa, northern Italy, Wednesday, Aug. 15, 2018. A bridge on a main highway linking Italy with France collapsed in the Italian port city of Genoa during a sudden, violent storm, sending vehicles plunging 90 meters (nearly 300 feet) into a heap of rubble below. (AP Photo/Nicola Marfisi) The bridge that collapsed in the Italian port city of Genoa was considered a feat…

Testing Golang Services at Wealthfront – Engineering Blog – Wealthfront

As Wealthfront grows our company and products, scaling our engineering organization requires robust, well tested infrastructure and tooling provided by the DevOps team. In this blog post, I’ll go over how DevOps is defined at Wealthfront, why we use Go, and a brief overview of how we test Go. What is DevOps at Wealthfront? At Wealthfront, we define DevOps as the team that manages the hardware and software infrastructure to support and develop our products. While backend engineering teams mainly…