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Author: engineering

Fast mitigation of power grid instability risks

Credit: Pavel Odinev / Skoltech Skoltech scientists in collaboration with researchers from the University of Arizona and the Los Alamos National Laboratory have developed an approach that allows power grids to return to stability fast after demand response perturbation. Their research at the crossroads of demand response, smart grids, and power grid control was published in the journal Applied Energy. Power grids are complex systems that manage the generation, transmission and distribution of electrical power to consumers, also called loads.…

Next-generation inflatable buildings maintain their shape without constant input of pressure

This inflatable shelter is out of thick plastic sheets and can pop up or fold flat. Credit: Benjamin Gorissen/David Melancon/Harvard SEAS In 2016, an inflatable arch wreaked havoc at the Tour de France bicycle race when it deflated and collapsed on a cyclist, throwing him from his bike and delaying the race while officials scrambled to clear the debris from the road. Officials blamed a passing spectator’s wayward belt buckle for the arch’s collapse, but the real culprit was physics.…

Student-veteran soars into career – University of Missouri College of Engineering

Edmonds in front of the Mizzou Space Program (MSP) mural he designed and painted. Photo provided by Caleb Edmonds. A soon-to-be Mizzou Engineering graduate’s career path will come full circle when he starts a job as an aircraft systems designer at Garmin in May. Caleb Edmonds, a senior from Parkville, Missouri, will focus on the installation of Garmin’s auto pilot systems into many types of aircraft. “I will be determining how to install and attach these systems into the flight…

Cloudflare obtains new ISO/IEC 27701:2019 privacy certification and what that means for you

This post is also available in French and German. Cloudflare is one of the first organisations in our industry to have achieved ISO/IEC 27701:2019 certification, and the first web performance & security company to be certified to the new ISO privacy standard as both a data processor and controller. Providing transparency into our privacy practices has always been a priority for us. We think it is important that we do more than talk about our commitment to privacy — we…

Combining light, superconductors could boost AI capabilities — ScienceDaily

As artificial intelligence has attracted broad interest, researchers are focused on understanding how the brain accomplishes cognition so they can construct artificial systems with general intelligence comparable to humans’ intelligence. Many have approached this challenge by using conventional silicon microelectronics in conjunction with light. However, the fabrication of silicon chips with electronic and photonic circuit elements is difficult for many physical and practical reasons related to the materials used for the components. In Applied Physics Letters, by AIP Publishing, researchers…

Announcing Cloudflare Images beta to simplify your image pipeline

Today, we are announcing the beta of Cloudflare Images: a simple service to store, resize, optimize, and deliver images at scale. In 2018, we launched Stream to provide a single product that could be used to store, encode, and deliver videos. With Cloudflare Images, we are doing for images what Stream did for videos. Just like Stream, Cloudflare Images eliminates the need to think about storage buckets, egress costs, and many other common problems that are solved for you out…

Marine animals inspire new approaches to structural topology optimization

Currently, Paulino and the team are in the prototyping phase, printing structures using a Stereolithography 3D printer with liquid photopolymers as a base. Credit: Candler Hobbs, Georgia Tech A mollusk and shrimp are two unlikely marine animals that are playing a very important role in engineering. The bodies of both animals illustrate how natural features, like the structures of their bones and shells, can be borrowed to enhance the performance of engineered structures and materials, like bridges and airplanes. This…

Himeji: a scalable centralized system for authorization at Airbnb | by Alan Yao

Over the last couple of years, Airbnb engineering moved from a monolithic Ruby on Rails architecture to a service oriented architecture. In our Rails architecture, we had an API per resource to access the underlying data. These APIs had authorization checks to protect sensitive data. As there was a single way to access a resource’s data, managing these checks was easy. In the transition to SOA, we moved to a layered architecture where there are data services that wrap databases…

a novel nanomaterial delivers top performance in extreme situations, as demonstrated by TU Wien (Vienna) with international partners — ScienceDaily

You can lubricate a bicycle chain with oil, but what do you do with a Mars rover or a red-hot conveyor belt in the steel industry? Very special nanomaterials have now been studied by the TU Wien together with research groups from Saarbrücken (Germany), Purdue University in the USA and the Universidad de Chile (Santiago, Chile). The material class of MXenes (pronounced “maxene”) has caused quite a stir in recent years in connection with novel battery technologies. But it now…