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Author: engineering

Seven best practices for inclusive product design – Pinterest Engineering – Medium

Long Cheng | Pinterest Lead Designer, Core Experience At Pinterest, our mission is to help you discover and do what you love. We’re building a product for everyone, because the best Pinterest is inclusive and easily usable for people with all levels of abilities. That’s why today we’re sharing our learnings and best practices we developed over the last year as we redesigned Pinterest to be more accessible for people who are blind and visually impaired. 1. Increase color contrasts…

Essential HR Issues Which Technology Can Track

Staying on top of human resource (HR) issues can be a big challenge, whether you run a start-up with only five employees or are part of a larger corporation. There are many common HR issues which business owners should track, and thanks to advancements in technology most of this can be done quickly and easily. If you want to get on top of your HR processes in an efficient manner, then start to use some of the specifically designed software…

Facebook video adds AV1 support | Engineering Blog | Facebook Code

The recent release of AV1, a new open, royalty-free video format, promises to be an important step forward in compression efficiency. Following our publication of detailed real-world AV1 benchmarking tests, Facebook is now adding trial support for the AV1 format to Facebook video. This allows engineers and the general public to view sample AV1 content today. Browser support for the official AV1 release version is still under development, and encoding speed still lags behind current encoder alternatives, such as x264…

Drug fights graft-versus-host-disease in mice — ScienceDaily

An investigational drug in clinical trials for rheumatoid arthritis prevents a common, life-threatening side effect of stem cell transplants, new research from Washington University School of Medicine in St. Louis shows. Studying mice, the researchers found the drug prevented what’s known as graft-versus-host disease, a debilitating, sometimes lethal condition that develops when transplanted stem cells attack the body’s own organs or tissues. About half of patients receiving donor stem cells develop graft-versus-host disease, which can linger for months or years…

BGP leaks and cryptocurrencies

Over the few last hours, a dozen news stories have broken about how an attacker attempted (and perhaps managed) to steal cryptocurrencies using a BGP leak. CC BY 2.0 image by elhombredenegro What is BGP? The Internet is composed of routes. For our DNS resolver 1.1.1.1 , we tell the world that all the IPs in the range 1.1.1.0 to 1.1.1.255 can be accessed at any Cloudflare PoP. For the people who do not have a direct link to our…

Doctors may soon be able to see a brain tumor burned away in real time

Some 80,000 Americans will be diagnosed with a brain tumor this year according to the American Brain Tumor Association. Many of them will need major surgery and chemotherapy. Sixteen thousand of them will lose the battle. But a team of USC Viterbi School of Engineering researchers are now making it easier, faster and safer for doctors to use an emerging procedure – one that involves burning away tumors in more patients, including those with brain tumors. Radiofrequency ablation, or RFA,…

3-D printed food could change how we eat

A: Food materials are pulverized under ultra-low temperature close to -100 degrees Celsius. B: Micro-sized food materials are reconstructed into a porous film-shaped material by jetting bonding an agent under optimized water content and heat conditions. The process to build film-type materials is repeated layer by layer to form to a three-dimensional food block.C: The exterior of foods and internal microstructure of a food block with specific porosity is designed to give texture with controlled human body absorption while eating…

Electrode shape improves neurostimulation for small targets

This small chip holds a 2-D electrode with a shape that can better stimulate small targets in the body over time. Credit: Purdue University image/Kayla Wiles A cross-like shape helps the electrodes of implantable neurostimulation devices to deliver more charge to specific areas of the nervous system, possibly prolonging device life span, says research published in March in Scientific Reports. The shape, called “fractal,” would be particularly useful for stimulating smaller areas, such as deep brain structures or the retina,…

CSS at Scale: LinkedIn’s New Open Source Projects Take on Stylesheet Performance

Example source and output of CSS Blocks. Text content here.  Development of CSS Blocks and OptiCSS Following the realization that selector performance and file size were hurting our site speed, we needed to make progress quickly to alleviate the issue. The team worked hard to establish new best practices, including converting our application to use BEM-style selectors and to prefer shared class names in our templates over mixins in our stylesheets. The choice to adopt BEM was controversial; many developers…

New invention revolutionizes exoskeletons

PhD student Miguel Nobre Castro with the award-winning CXD joint. Credit: Jakob Brodersen Aalborg researchers have developed a new type of mechanical joint that can support shoulders and hips smarter than ever before. The joint which is compact enough to be worn hidden under clothing, has already won international honors and will likely be the standard in future wearable exoskeletons A compact joint that can be pulled out in an arc around a sphere. This may not sound like much,…