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Engineering News

How To Make a Career Trading Cryptocurrencies as an Indian Coindirect Partner

Being a full-time Coindirect Vendor means you’re able to take advantage of the growing market of Bitcoin buyers. Vendors on Coindirect can earn money from selling and buying Cryptocurrencies to the growing number of Indian users currently on the platform. This peer-to-peer marketplace is a single platform that lets its users buy, convert, sell and store over 30 of the most popular cryptocurrencies. This is a unique time to get involved with Coindirect as the earlier you start, the quicker…

Unlimited capacity in wireless networks with massive MIMO

Emil Bjornson, Linkoping University Massive MIMO is an antenna technology that is considered the most promising for future superfast 5G networks, although researchers have until now believed that there is an upper limit for how much data can be transferred. Emil Björnson, associate professor at Linköping University, has together with colleagues, shown that there is no such limit. “We can show that massive MIMO has unlimited capacity, both mathematically and with the aid of simulations,” says Emil Björnson, associate professor…

Marine exploration sensing with light and sound

KAUST researchers are modeling various techniques for improving wireless underwater sensor networks. For example, new wireless hybrid sensors that use both acoustic and optical communication could improve underwater data collection for ocean observation. Credit: © 2018 Abdulkadir Celik Oceanic sensor networks that collect and transmit high-quality, real-time data could transform the understanding of marine ecology, improve pollution and disaster management, and inform multiple industries that draw on ocean resources. A KAUST research team is designing and optimizing underwater wireless sensor…

Fish’s skin senses light differently from eyes — ScienceDaily

Some animals are quick-change artists. Take the hogfish, a pointy-snouted reef fish that can go from pearly white to mottled brown to reddish in a matter of milliseconds as it adjusts to shifting conditions on the ocean floor. Scientists have long suspected that animals with quick-changing colors don’t just rely on their eyes to tune their appearance to their surroundings — they also sense light with their skin. But exactly how “skin vision” works remains a mystery. Now, genetic analysis…

Region Evacuation Reimagined – Netflix TechBlog – Medium

We are proud to present Nimble: the evolution of the Netflix failover architecture that makes region evacuation an order of magnitude faster. At Netflix, our goal is to be there for our customers whenever they want to come and watch their favorite shows. A lot of the work we do centers around making our systems ever more available, and averting or limiting customer-facing outages. One of the most important tools in our toolbox is to route traffic away from an…

Deprecating TLS 1.0 and 1.1 on api.cloudflare.com

On June 4, Cloudflare will be dropping support for TLS 1.0 and 1.1 on api.cloudflare.com. Additionally, the dashboard will be moved from www.cloudflare.com/a to dash.cloudflare.com and will require a browser that supports TLS 1.2 or higher. No changes will be made to customer traffic that is proxied through our network, though you may decide to enforce a minimum version for your own traffic. We will soon expose TLS analytics that indicate the percent of connections to your sites using TLS…

Lighter than Lightweight: How We Built the Same App Twice with Preact and Glimmer.js

Time in milliseconds; lower is better. SSR = Server-side rendered, CSR = Client-side rendered. Render time measured in CSR mode, rehydration time measured in SSR mode. Both flavors performed very well. The SSR variants in particular showed dramatic improvement in First Meaningful Paint, reducing the time before a member sees useful content by over one second compared to the CSR variants. Based on our test, Glimmer.js seemed to slightly outperform Preact at achieving First Meaningful Paint and Rehydrating/Rendering the page,…

Printing the ‘soft’ robots of the future

Three-dimensional printing offers unique advantages, but still faces many challenges, for fabricating small, flexible robots that can navigate through the human body and other confined spaces, according to a review in the journal Science and Technology of Advanced Materials. Researchers at South Korea’s Jeju National University examined the latest research and developments in fabricating soft robots using 3-D printing technologies. Their study concludes that 3-D printing is well suited to build robots that have complex external shapes together with an…

PET myocardial perfusion imaging more effective than SPECT scans in detecting coronary disease — ScienceDaily

Patients who receive cardiac positron emission testing (PET) imaging instead of single photon emission computed tomography (SPECT) scan experienced a significant increase in the detection of severe obstructive coronary artery disease, according to researchers at the Intermountain Medical Center Heart Institute in Salt Lake City. Both, PET and SPECT scans are nuclear imaging techniques that provide metabolic and functional information of the heart. PET scans provide better image resolution and quality, but have not yet gotten widespread adaptation compared to…

Using pedometers in a short term walking program boosts long term activity — ScienceDaily

Experts have found that people who use pedometers to count their steps as part of a 12-week walking programme, can have a healthier, more active lifestyle three to four years later. Brisk walking for 30 minutes or more daily on most days of the week can help adults and older adults to achieve important health benefits. Researchers at St George’s, University of London, compared adults and older adults in two 12-week walking programmes who were using pedometers, with people who…