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Engineering News

Flexible impedance sensor can fit inside urinary catheters; monitor and treat biofilm

Credit: A. James Clark School of Engineering, University of Maryland A long-term, interdisciplinary research collaboration at the University of Maryland’s A. James Clark School of Engineering has made significant progress in detecting and treating bacterial biofilms by developing new chemical compounds, materials, and microsystems that can fight these sources of post-operative infections. In their 10-year collaboration, Professor Reza Ghodssi (Department of Electrical and Computer Engineering; Institute for Systems Research), Professor William Bentley (Fischell Department of Bioengineering; Robert E. Fischell Institute…

[GiveAway] Win a OnePlus 5T Mobile

TechQuark.com is back with another giveaway and this time it is a ‘OnePlus 5T’ Today is D Day. Or should we call it One Day? After getting huge response towards the giveaways, we hosted earlier, it’s time to have another giveaway, and this time it’s OnePlus 5T. Yes, you heard it right, we are giving away a brand new unlocked OnePlus 5T to one of our lucky reader. ‘OnePlus 5T’ is a powerful flagship device by OnePlus, that is all set to change and…

Study finds drones more damaging than bird strikes to planes

Credit: CC0 Public Domain Drones that collide with planes cause more damage than birds of the same size because of their solid motors, batteries and other parts, a study released by the Federal Aviation Administration on Tuesday found. The study’s researchers say aircraft-manufacturing standards designed for bird strikes aren’t appropriate for ensuring planes can withstand collisions with drones. The FAA said it will depend on drone makers to help develop technology to detect and avoid planes. Reports of close…

New 3-D printer is ten times faster than commercial counterparts

MIT engineers have developed a new desktop 3-D printer that performs up to 10 times faster than existing commercial counterparts. Whereas the most common printers may fabricate a few Lego-sized bricks in one hour, the new design can print similarly sized objects in just a few minutes. The key to the team’s nimble design lies in the printer’s compact printhead, which incorporates two new, speed-enhancing components: a screw mechanism that feeds polymer material through a nozzle at high force; and…

New computer model sheds light on biological events leading to sudden cardiac death — ScienceDaily

Some heart disease patients face a higher risk of sudden cardiac death, which can happen when an arrhythmia — an irregular heartbeat — disrupts the normal electrical activity in the heart and causes the organ to stop pumping. Arrhythmias linked to sudden cardiac death are very rare, however, making it difficult to study how they occur — and how they might be prevented. To make it much easier to discover what triggers this deadly disorder, a team led by Johns…

Improving Resiliency and Stability of a Large-scale Monolithic API Service

How was multi-clustering achieved?We started by partitioning the endpoints of our service. This was relatively easy to do, because endpoints in the service were already divided into separate ownership groups called “verticals.” Then, using the data collected by our monitoring systems, we identified the verticals that had enough traffic to justify separating them. Then, we laid out the plans. We prepared a runbook that described each step we would take for each vertical. We also prepared a schedule skeleton that…

Use a .dev domain? Not anymore. – Medium Engineering

A long time ago, in a network, far far away, a great adventure took place! Out of the chaos of new ideas for communication, the experiments, the tentative designs, and crucible of testing, there emerged a cornucopia of networks. Beginning with the ARPANET, an endless stream of networks evolved, and ultimately were interlinked to become the Internet.” RFC 2468, Part 1 Before the internet, before domain names, and before I was born, there was the ARPANET — the little network that could.…

Cloudflare Apps Platform Update: November Edition

Since our last newsletter, dozens of developers like you have reached out with ideas for new kinds of apps that weren’t yet possible. These are some of my favorite conversations because they help us find out which features should be prioritized. With your guidance, we’ve spent this month meticulously converting our supply of Halloween candy into those ideas. Let’s dive in and see what’s new! 💸 Paid App Product Enhancements We’ve made it easier to upsell premium features with product…

Tiny speakers break a barrier for sound

Schematic and photo of the enclosure designed to change the environment around a sound source. Made by 3D printing out of acrylonitrile butadiene styrene (ABS) plastic, the encloser greatly enhances the power of low-frequency sounds. Credit: Jiajun Zhao In any orchestra, the lowest notes are made by the largest instruments; for example, in the string family, the double bass resonates much lower notes than the violin because it is four to five times larger. The same is true for loudspeakers.…

Building your own CryptoCurrency using Hyperledger Fabric

In our previous posts, we discussed BlockChain and presented the comprehensive Blockchain developer’s guide along with its use cases, especially mentioning how the rise of cryptocurrencies made the term ‘BlockChain’ a synonymous term to it. We also discussed a systematic approach to an enterprise blockchain solution by understanding foundation pillars involved and key modules for all significant requirements. In this blog, we will learn about creating cryptocurrencies using the IBM Blockchain Hyperledger Fabric Network consisting of two organizations each maintaining two…