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Engineering News

Faster App Recovery With Bounded Queues – Square Corner Blog – Medium

A problem we’ve encountered in the past is when a Ruby app becomes unresponsive due to downstream issues. After the issue is resolved, the app continues to be unresponsive or very slow to process requests. While a restarts clear it up immediately, but the less manual steps we have to take to recover an app, the better. Because testing on production is bad, we need a simple way of replicating this locally. Replication At Square, our Ruby apps use NGINX…

Airbus and Boeing eye lucrative maintenance market

Airbus and Boeing are both looking to target the lucrative maintenance market in the coming years Airbus and Boeing wheeled out the usual round of order announcements at the Paris Air Show on Wednesday, but alongside the big ticket purchases, the aerospace rivals are also eyeing the lucrative maintenance and servicing market as they seek to boost growth. Boeing finalised an order for three 787 Dreamliners to Israeli carrier El Al and inked a memorandum of understanding with leasing company…

When the Internet (Officially) Became the Public Square

Souvenir Postcard by unknown Sometimes, well-intended efforts to prevent unacceptable behavior run into the reality of what it means to have an open and free society. That is what happened at the Supreme Court on Monday. The Supreme Court issued an opinion confirming something we at Cloudflare have long believed — that the First Amendment protects access to the Internet. Using sweeping language, Justice Kennedy compared internet access to access to a street or park, “essential venues for public gatherings…

Bug-proof communication with entangled photons

Fraunhofer IOF‘s quantum source. Designed to be fully operational even after extreme stress. Credit: Fraunhofer IOF Due to the rapidly growing processing power of computers, conventional encryption of data is becoming increasingly insecure. One solution is coding with entangled photons. Fraunhofer researchers are developing a quantum coding source that allows the transport of entangled photons from satellites, thereby making an important step in the direction of tap-proof communication. In addition to the quantum source, researchers from various Fraunhofer institutes will…

Top 7 Free Android Apps For Job Seekers

The era of newspapers with job offers is gone away. Today, everyone is looking for new career opportunities using websites or application that can be installed directly on the smartphone. Websites are great, especially if you have direct access to them and have enough time to check them for new vacancies. However, most of us are too busy to do that, thus we need something less time consuming and more effective. Just like the apps. Why Apps are Better If…

Ship autopilot steers during evasive manoeuvres and docking

Demo: control room for an autonomous ship. Credit: Technical Research Centre of Finland (VTT) VTT Technical Research Centre of Finland is developing safe steering for the remote-monitored and controlled autonomous ships of the future. The new technology has been developed for navigation systems and ship autopilots, which steer ships automatically. The ships of the future will largely be controlled by artificial intelligence. However, these autonomous unmanned vessels must be monitored and controlled on demand by land-based professionals. This trend sets…

How to grow a structure using ‘mushroom sausages’

Credit: Brunel University A Brunel University London student has been exploring how mushrooms can be used to grow robust zero-waste structures as an alternative to conventional building techniques. In collaboration with environmentally-focused architecture firm Astudio, Aleksi Vesaluoma’s Grown Structures, use mycelium (oyster mushroom spawn) mixed with cardboard. The material is then molded into ‘mushroom sausages’ by packing the mixture into a tubular cotton bandage. The mushroom sausages are shaped over a mold of the preferred shape and grown over…

Watching cities grow—New algorithms for evaluating satellite data

Using the new satellite tomography, researchers can map the city of Berlin in 3-D and deformation and subsidence down to the millimeter. Credit: DLR & TUM Three million measurement points in one square kilometer: Prof. Xiaoxiang Zhu and her team have set a world record in information retrieval from satellite data. Thanks to new algorithms, the researchers from the Technical University of Munich (TUM) succeeded in making four-dimensional point clouds of Berlin, Las Vegas, Paris and Washington, D.C. from images…

Emoji in the editor! 🍾 🙌 🎉 – Medium Engineering

Last week I was blocked on product development, so I added an :emoji: typeahead to the Medium editor, because I was tired of ^⌘[space]ing. 🙅🕒 Try it out! Type a colon, followed by the name of your favorite emoji into any Medium post. (Here’s a cheat sheet.) Context We already implicitly allow emoji in the editor. We even gracefully handle multi-character emoji like 👨‍👩‍👦‍👦 and 🇦🇺 when you backspace and arrow around. Which… git blame → Nick Santos, obviously. 🙏 The…

Physics — Classic and Quantum

PhysicsClassical and Quantum The laws of nature are butthe mathematical thoughts of God.Euclid Math, science, historyUnraveling the mysteryIt all started with a Big BangThe Barenaked Ladies This article presents the historical development of classical and quantum physics. It is intended for the layman who is interested in New Age topics, metaphysics, and spirituality. This is the first of four intended to provide background information that can serve as a bridge between modern physics and ancient metaphysics. The second article concerns…