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Engineering News

Making LinkedIn Media More Inclusive with Alternative Text Descriptions

Co-authors: Vipin Gupta, Ananth Sankar and Jyotsna Thapliyal As part of our vision to provide economic opportunity for every member of the global workforce, LinkedIn creates a unique environment for members to network, learn, share knowledge, and find jobs. In many ways, the LinkedIn feed has become the core of this effort as the preeminent way to share information and participate in conversations on our site. Alongside text, rich media has become an important component of the feed as well.…

Sunlight degrades polystyrene faster than expected — ScienceDaily

A study published by researchers at Woods Hole Oceanographic Institution (WHOI) shows that polystyrene, one of the world’s most ubiquitous plastics, may degrade in decades or centuries when exposed to sunlight, rather than thousands of years as previously thought. The study published October 10, 2019, in the journal Environmental Science and Technology Letters. “Right now, policy makers generally assume that polystyrene lasts forever in the environment,” says Collin Ward, a marine chemist at WHOI and lead author of the study.…

Fluorescent probe could allow scientists to watch circuits within the brain and link their activity to specific behaviors — ScienceDaily

Using a fluorescent probe that lights up when brain cells are electrically active, MIT and Boston University researchers have shown that they can image the activity of many neurons at once, in the brains of mice. This technique, which can be performed using a simple light microscope, could allow neuroscientists to visualize the activity of circuits within the brain and link them to specific behaviors, says Edward Boyden, the Y. Eva Tan Professor in Neurotechnology and a professor of biological…

Two departments at MU create meteorology app to visualize clouds in the sky

Professor Eric Aldrich and MU College of Engineering members created the app MeterologyAR, which helps meteorology students identify different types of clouds. Atmospheric science Professor Eric Aldrich and members of the MU College of Engineering created the app MeterologyAR, which helps users learn about clouds. They created the app for meteorology students to identify the different types of clouds. The app was a capstone project for five students in the College of Engineering. Aldrich came to Fang Wang, an assistant…

Building a Better Big Data Architecture: Meet Uber’s Presto Team

Uber’s daily operations generate data, such as the number of trip requests or food orders at any given time, that can show us how and where to improve our services. However, this information is only truly useful if we can retrieve it when we need it. Lacking access to our business data would be like having a large tank of water without any faucets. To give our internal analysts insights to improve our operations, we needed to find the right…

Terraforming Cloudflare: in quest of the optimal setup

This is a guest post by Dimitris Koutsourelis and Alexis Dimitriadis, working for the Security Team at Workable, a company that makes software to help companies find and hire great people. This post is about our introductive journey to the infrastructure-as-code practice; managing Cloudflare configuration in a declarative and version-controlled way. We’d like to share the experience we’ve gained during this process; our pain points, limitations we faced, different approaches we took and provide parts of our solution and experimentations.…

CRISPR-BEST prevents genome instability — ScienceDaily

Even though CRISPR technologies allow for better manipulation of genomes with many positive effects on modern drug development and the discovery of new and better antibiotics, significant problems such as genome instability and toxicity of the Cas9-protein still remain when using the technology. But in a new study published in PNAS, scientists present a new addition to the promising CRISPR toolkit called CRISPR-BEST. This tool operates with an efficient method to create mutations in actinomycetes without requiring a DNA double-stranded…

Nobel Prize in Chemistry 2019: Lithium-ion batteries — ScienceDaily

The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry 2019 to John B. Goodenough, of The University of Texas at Austin, USA, M. Stanley Whittingham, of Binghamton University, State University of New York, USA, and Akira Yoshino of Asahi Kasei Corporation, Tokyo, Japan, and Meijo University, Nagoya, Japan “for the development of lithium-ion batteries.” They created a rechargeable world The Nobel Prize in Chemistry 2019 rewards the development of the lithium-ion battery. This lightweight,…

Lymphoma stage at diagnosis may predict when and where new cancer forms — ScienceDaily

With improved treatments, especially the use of anti-cancer immunotherapies, more than two-thirds of all patients diagnosed with diffuse large B-cell lymphoma (DLBCL) will survive. However, after treatment, patients are at a small but real risk of developing a new cancer, called a second primary cancer. Now a Colorado study of long term DLBCL survivors shows, for the first time, that the stage at which DLBCL is originally diagnosed impacts the types of second cancers that may form after treatment. “We…

How LinkedIn customizes Apache Kafka for 7 trillion messages per day

LinkedIn’s development workflow The most important question to answer here is whether to choose the Upstream First route or LinkedIn First route (shown as “Commit to upstream first?” in the flowchart). Based on the urgency of the patch, the author should carefully assess the tradeoffs of both approaches. Typically, patches addressing production issues are committed as hotfixes first, unless they can be committed to upstream quickly (like within a week) and are small enough to be cherry-picked immediately. Feature patches…