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Category: Computer Engineering

Radioactivity in meteorites sheds light on origin of heaviest elements in our solar system — ScienceDaily

A team of international researchers went back to the formation of the solar system 4.6 billion years ago to gain new insights into the cosmic origin of the heaviest elements on the periodic table. Led by scientists who collaborate as part of the International Research Network for Nuclear Astrophysics (IReNA)  and the Joint Institute for Nuclear Astrophysics — Center for the Evolution of the Elements (JINA-CEE), the study is published in the latest issue of the journal Science. Heavy elements…

Flow-based monitoring for Magic Transit

Network-layer DDoS attacks are on the rise, prompting security teams to rethink their L3 DDoS mitigation strategies to prevent business impact. Magic Transit protects customers’ entire networks from DDoS attacks by placing our network in front of theirs, either always on or on demand. Today, we’re announcing new functionality to improve the experience for on-demand Magic Transit customers: flow-based monitoring. Flow-based monitoring allows us to detect threats and notify customers when they’re under attack so they can activate Magic Transit…

Researchers have developed a method to quantify transfer RNAs — ScienceDaily

Transfer RNAs (tRNAs) deliver specific amino acids to ribosomes during translation of messenger RNA into proteins. The abundance of tRNAs can therefore have a profound impact on cell physiology, but measuring the amount of each tRNA in cells has been limited by technical challenges. Researchers at the Max Planck Institute of Biochemistry have now overcome these limitations with mim-tRNAseq, a method that can be used to quantify tRNAs in any organism and will help improve our understanding of tRNA regulation…

Researchers develop all-round grippers for contact-free society

The Department of Robotics and Mechatronics at KIMM is giving a demonstration. TOP) Cooking ‘Samgyetang’ (whole chicken soup) with the clamp-type all-round gripper. BOTTOM) Squeezing lemon and making a cocktail. Credit: The Korea Institute of Machinery and Materials (KIMM) The Korea Institute of Machinery and Materials (KIMM) successfully developed all-round gripper technology, enabling robots to hold objects of various shapes and stiffnesses. With the new technology, a single gripper can be used to handle different objects such as screwdrivers, bulbs,…

Laser pulses act as subtle machining tools

Fused silica wafer with thickness of 350 um with high-quality glass vias of diameters between 0.25 mm and 6 mm fabricated by selective laser etching. Credit: Daniel Flamm et al, Structured light for ultrafast laser micro- and nanoprocessing, Optical Engineering (2021). DOI: 10.1117/1.OE.60.2.025105 If light is strongly concentrated in time and space, resulting in extreme photon densities, it can enable interaction with all conceivable materials. By using these ultrashort laser foci, even transparent materials can be modified, even though they…

Researchers develop roadside barrier design to mitigate air pollution

The curved barriers deflect pollution away from pedestrians and back onto the road. Credit: Imperial College London Imperial researchers have designed a unique curved barrier which can protect people from the damaging effects of air pollution. With air pollution becoming an increasingly dangerous global health challenge, researchers are constantly working on innovating novel solutions to tackle these 21st century problems. At Imperial College London, researchers are using airflow modeling techniques to study the effects of unique roadside structures to deflect…

To The Future Black History Makers in Tech | by Michael Barrett | Feb, 2021

Mopewa Ogundipe, Senior Software Engineer, 4+ years: I got into engineering and computer science because my older brothers are both engineers and I grew up watching them tinkering with our household appliances. I love this field and have stayed in it because I haven’t found anything that beats the feeling of having an idea, building or coding it, and then putting it in someone’s hand and watching them use it. Nichelle Hall, Software Engineer, 1.5 years: My parents always wanted…

Packaging award-winning shows with award-winning technology | by Netflix Technology Blog | Feb, 2021

By Cyril Concolato In previous blog posts, our colleagues at Netflix have explained how 4K video streams are optimized, how even legacy video streams are improved and more recently how new audio codecs can provide better aural experiences to our members. In all these cases, prior to being delivered through our content delivery network Open Connect, our award-winning TV shows, movies and documentaries like The Crown need to be packaged to enable crucial features for our members. In this post,…

Fighting spam with Guardian, a real-time analytics and rules engine | by Pinterest Engineering | Pinterest Engineering Blog | Feb, 2021

Hongkai Pan | Software Engineer, Trust & Safety As the Trust & Safety team, one of our major responsibilities is protecting Pinners from spam. Without protections, spam could potentially be all over Pinterest since spammers can script and generate activity at a rate much higher than actual users. One of our most valuable tools to fight spam at Pinterest is our use of a rules engine. A rules engine allows us to look at a stream of events and take…

Creating serendipity with Python

We’ve been experimenting with breaking up employees into random groups (of size 4) and setting up video hangouts between them. We’re doing this to replace the serendipitous meetings that sometimes occur around coffee machines, in lunch lines or while waiting for the printer. And also, we just want people to get to know each other. Which lead to me writing some code. The core of which is divide n elements into groups of at least size g minimizing the size…