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Author: engineering

Organic cathode offers more reliable contact with electrolyte, a key to stability — ScienceDaily

Solid-state sodium-ion batteries are far safer than conventional lithium-ion batteries, which pose a risk of fire and explosions, but their performance has been too weak to offset the safety advantages. Researchers Friday reported developing an organic cathode that dramatically improves both stability and energy density. The improved performance, reported in the journal Joule, is related to two key findings: The resistive interface between the electrolyte and cathode that commonly forms during cycling can be reversed, extending cycle life, and The…

Regeneron High School Science Talent Search 2019 » Curious Cat Science and Engineering Blog

Regeneron High School Science Talent Search 2019 Posted on April 19, 2019  Comments (0) $3.1 million in prizes was awarded through the Regeneron Science Talent Search 2019, including $2,000 to each of the top 300 scholars and their schools. The top award was for $250,000. If you want to watch the video without knowing the winner, watch it before reading the rest of this post. Every year the accomplishments of high school students provide amazing hope for the future. I…

Uber Submits Hudi, an Open Source Big Data Library, to The Apache Software Foundation

The ability to manage and access petabytes of data quickly is crucial to the scalable growth of an entire data ecosystem. Still, this combined need for scale and speed does not always naturally fit into existing batch and streaming system architectures. Developed in 2016 under the codename “Hoodie,” Hudi was built to address inefficiencies across ingest and ETL pipelines that required upsert and incremental consumption primitives in Uber’s Big Data ecosystem. To share these benefits with the broader Big Data…

How We Build Serverless Apps with Workers

You’ve had a chance to build a Cloudflare Worker. You’ve tried KV Storage and have a great use case for your Worker. You’ve even demonstrated the usefulness to your product or organization. Now you need to go from writing a single file in the Cloudflare Dashboard UI Editor to source controlled code with multiple environments deployed using your favorite CI tool. Fortunately, we have a powerful and flexible API for managing your workers. You can customize your deployment to your…

We moved to https://developer.squareup.com/blog

Heads up, we’ve moved! If you’d like to continue keeping up with the latest technical content from Square please visit us at our new home https://developer.squareup.com/blog We moved to https://developer.squareup.com/blog was originally published in Square Corner Blog on Medium, where people are continuing the conversation by highlighting and responding to this story. Source link…

Panoptic segmentation: Improving scene understanding

What the research is: A new approach to object recognition that uses a single neural network to simultaneously recognize distinct foreground objects, such as animals or people (a task called instance segmentation), while also labeling pixels in the image background with classes, such as road, sky, or grass (a task called semantic segmentation). While previous research has mainly explored these two segmentation tasks separately, using different types of network architectures, our work shows that both tasks can be addressed in…

Data mining digs up hidden clues to major California earthquake triggers — ScienceDaily

A powerful computational study of southern California seismic records has revealed detailed information about a plethora of previously undetected small earthquakes, giving a more precise picture about stress in the earth’s crust. A new publicly available catalog of these findings will help seismologists better understand the stresses triggering the larger earthquakes that occasionally rock the region. “It’s very difficult to unpack what triggers larger earthquakes because they are infrequent, but with this new information about a huge number of small…

Optimizing M3: How Uber Halved Our Metrics Ingestion Latency by (Briefly) Forking the Go Compiler

In Uber’s New York engineering office, our Observability team maintains a robust, scalable metrics and alerting pipeline responsible for detecting, mitigating, and notifying engineers of issues with their services as soon as they occur. Monitoring the health of our thousands of microservices helps us ensure that our platform runs smoothly and efficiently for our millions of users across the globe, from riders and driver-partners to eaters and restaurant-partners. A few months ago, a routine deployment in a core service of…

Tiny, fast, accurate technology on the radar

The new device is compact: it fits into a 10-centimeter box, weighs less than 150 grams and is powered by a 5V battery. Credit: KAUST A tiny, portable radar device could allow visually impaired people, or unmanned moving devices to detect objects in real time. Radar technology has been used for decades in aviation, defense and speed-camera technology. Now, a team at KAUST, in collaboration with scientists at the VTT Technical Research Center of Finland, have created a compact, low-cost…

4 Must Have Items For Your Tech Office

For anyone who has ever started their own business there comes a time when you move out of a shared office space or out of the confines of your own dining room, and into a real office. All the greats have taken this journey and the reality is that it is a significant step on the road from transforming from a start-up to a real business. Only once you have premises of your own and are seen to be standing…