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Category: Civil Engineering

Remains of historic aircraft found

The “Raise the Arrow” team gathers for a photo behind the AUV. Credit: Fraunhofer IOSB-AST DEDAVE is an innovative autonomous underwater vehicle developed by researchers at the Fraunhofer-Gesellschaft. Now the deep-diving robot has had its first chance to prove itself in action as it helped hunt down historic test models of a Canadian interceptor aircraft in Lake Ontario. The mission has been a success, with two of the confirmed eight aircraft models already tracked down. Designed for deepwater diving, autonomous…

Recommending Visually Similar Products Using Content Based Features |

Multiple recommendation systems at Wayfair use collaborative filtering based models to understand user behavior and identify like-minded customers. Despite its success, collaborative filtering has a few significant drawbacks, such as the cold start problem and a limited scope of recommendable products. By leveraging image based product embeddings, Wayfair has created a new recommendation algorithm based on product visual similarity.  This post will begin by briefly describing Wayfair’s Visual Search feature. We will then summarize the difference between collaborative and content…

Improving Resiliency and Stability of a Large-scale Monolithic API Service

How was multi-clustering achieved?We started by partitioning the endpoints of our service. This was relatively easy to do, because endpoints in the service were already divided into separate ownership groups called “verticals.” Then, using the data collected by our monitoring systems, we identified the verticals that had enough traffic to justify separating them. Then, we laid out the plans. We prepared a runbook that described each step we would take for each vertical. We also prepared a schedule skeleton that…

Identifying optimal adaptation of buildings threatened by hurricanes, climate change — ScienceDaily

The need for adaptation strategies to reduce the threat of hurricanes to society is of critical importance, as evidenced by the recent damage to coastal regions in the U.S. and the Caribbean this past year. The fact that the number of residential buildings in coastal areas has increased significantly combined with the increasing risks of impacts of due climate change means that the cost of damage to coastal developments are likely to continue to rise. According to Dan M. Frangopol,…

uKit : The Website Builder for Business

Many businesses are going online every second while some businesses struggle to get their online footprint. They generally face a brawl with technical details underlying in the basic architecture of the website. So, we browsed the internet to seek a possible solution to this problem and stumbled upon uKit, an intuitive and budget-friendly website building solution for small businesses. Let us have a detailed look at what we can achieve with uKit’s resources and why one should prefer it over…

Namespacing Actions for Redux – Kickstarter Engineering

Constraints In this way, the first level of research allowed us to flesh out what requirements a successful solution would support. We needed a way to namespace actions that: Did not involve using local state Worked with combineReducers Could be applied programmatically Had a low–API surface area, which is to say, did not ask to much of others using the resultant component The RFC With these constraints in mind, we identified three solutions: nested reducers, higher-order reducers, and the module…

SCOTUS Wanders into Patent Troll Fight

Next Monday, the US Supreme Court will hear oral arguments in Oil States Energy Services, LLC vs. Greene’s Energy Group, LLC, which is a case to determine whether the Inter Partes Review (IPR) administrative process at the US Patent and Trademark Office (USPTO) used to determine the validity of patents is constitutional. The constitutionality of the IPR process is one of the biggest legal issues facing innovative technology companies, as the availability of this process has greatly reduced the anticipated…

New computational method provides optimized design of wind up toys

A team of leading computer scientists has developed a novel computational system to aid the design and fabrication of wind-up toys, focusing on automating the intricate interior machinery responsible for the toys’ wind-up motion. The new computational system includes analytic modeling of a wide variety of elemental mechanisms found in common wide-up toys, including their geometry and kinematics, and automating the construction of the toys accurately and with moving parts that consume less energy. The researchers, from University of Science…

Facebook and Airbus Working Together to Advance High Altitude Connectivity | Engineering Blog | Facebook Code

At Facebook, one of the ways we’re helping bring the world closer together is by pioneering new technologies to bring affordable connectivity to more people, faster. This includes our work on the Aquila program, a high altitude platform station (HAPS) broadband connectivity system. This type of HAPS architecture includes much more than just a fleet of aircraft carrying communications payloads. It will eventually augment terrestrial and satellite networks from approximately 20 km above ground, with minimal infrastructure and maintenance. We…

Updates on Netflix’s Container Management Platform – Netflix TechBlog – Medium

We continue to share lessons learned from scheduling and executing containers in production at scale. This blog posts summarizes not only recent publications on our container management platform (Project Titus) but also future collaboration opportunities. Titus Publications We were honored when the Association for Computing Machinery (ACM) asked for us to write for their bimonthly ACM Queue publication, and recently published our article entitled “Titus: Introducing Containers to the Netflix Cloud”. In the article, we talk about why we designed…