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Category: Computer Engineering

Under pressure, nontoxic salt-based propellant performs well

This photo shows combustion structure of 80 percent HAN-water at 3.0, 6.0, and 10.0 Mpa. Credit: University of Illinois Dept. of Aerospace Engineering In smaller spacecraft such as CubeSat satellites, a salt-based monopropellant is showing promise. It can be used both in high-thrust chemical propulsion for fast time-sensitive maneuvers, and electric mode for slow maneuvers, such as orbit maintenance. Now, researchers in the Department of Aerospace Engineering at the University of Illinois at Urbana-Champaign have more knowledge about how it…

New super-resolution method reveals fine details without constantly needing to zoom in — ScienceDaily

Since the early 1930s, electron microscopy has provided unprecedented access to the alien world of the extraordinarily small, revealing intricate details that are otherwise impossible to discern with conventional light microscopy. But to achieve high resolution over a large specimen area, the energy of the electron beams needs to be cranked up, which is costly and detrimental to the specimen under observation. Texas A&M University researchers may have found a new method to improve the quality of low-resolution electron micrographs…

IR Camera Captures Defects in 3D Printing

Small defects in 3D printed metal parts limit their performance and are roadblocks preventing the technology from being more widely used. Researchers at Argonne National Laboratory theorized that the defects stemmed from small voids in the cooled printed metal. The voids (porosity) can make printed components prone to cracking and other failures. To check their theory, they used a 3D printer with an IR camera, a common option, to film the printing process from above. It monitored and recorded temperature…

The technology behind fighting harassment on LinkedIn

Co-authors: Grace Tang, Montinee Khunvirojpanich, and Ting Chen LinkedIn is an active professional community where our members come to stay informed, build meaningful relationships, and find a job. In order for members to confidently engage in this community, they have to feel safe. This sense of safety is at risk when spam, inappropriate, or harassing content is shared on the platform. This content is not tolerated on LinkedIn, and we have rolled out proactive and reactive measures that employ a combination…

Lifetime of Service – University of Missouri College of Engineering

Civil and Environmental Engineering Professor Glenn Washer Ultrasound. Ground penetrating radar. Thermal imaging. You probably don’t think of these Nondestructive Evaluation (NDE) technologies as necessary tools for bridge inspections. But Glenn Washer, professor of civil and environmental engineering, has conducted research that proves these technologies greatly enhance condition assessment of bridges, leading to improved inspections that help prevent accidents and collapses. In addition to teaching and researching NDE, Washer has given of his time as a volunteer to increase the…

Indian eGov App-Store – Accelerating Delivery of e-Services for Citizens

The eGov app store is a repository of cloud-based applications to aid government agencies and departments in providing a common platform to host and run applications developed by government agencies and private players. This repository is a Pandora’s Box of reusable customizable and configurable applications, components, and web services developed as a NeGP (National e-Governance Plan) initiative. e-Gov App Store encourages start-ups and SME’s who develop government-centric applications. These applications are rigorously tested and after undergoing various trials and user…

World’s biggest container ships take shape in South Korea

At 400 metres (1,300 feet), the HMM St Petersburg is 100 metres longer than the Eiffel Tower is tall, and 62 metres wide On the bridge of one of the world’s biggest container ships, a worker in a grey protective suit installs the compass that will guide the leviathan across the world. The finishing touches are being put to the HMM St Petersburg at the Samsung Heavy Industries shipyard on the island of Geoje, at the southern tip of South…

Keep Kids Safe With FamiSafe Parental Control App

The Internet is as vast as the universe, but the only difference is, all aspects of the latter are not accessible by everyone, but the former is reachable to everyone and everything is open for access. This opens various doors of opportunity and information, but is all content on the internet safe? The concern lies for parents as they are not aware of what their inquisitive kids are browsing over the internet. But somehow, parents have to curb their anxiety…

Computational Causal Inference at Netflix | by Netflix Technology Blog | Aug, 2020

Jeffrey Wong, Colin McFarland Every Netflix data scientist, whether their background is from biology, psychology, physics, economics, math, statistics, or biostatistics, has made meaningful contributions to the way Netflix analyzes causal effects. Scientists from these fields have made many advancements in causal effects research in the past few decades, spanning instrumental variables, forest methods, heterogeneous effects, time-dynamic effects, quantile effects, and much more. These methods can provide rich information for decision making, such as in experimentation platforms (“XP”) or in…

A New Real-Time Map-Matching Algorithm at Lyft | by Marie Douriez | Aug, 2020

By Marie Douriez, James Murphy, Kerrick Staley When you request a ride, Lyft tries to match you with the driver most suited for your route. To make a dispatch decision, we first need to ask: where are the drivers? Lyft uses GPS data from the drivers’ phones to answer this question. However, the GPS data that we get is often noisy and does not match the road. Location data is often noisy and does not match the road. To get…