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Engineering News

Improved air quality research software to help reduce emissions, pollution

Jiqin Ni, an associate professor in Purdue’s Department of Agricultural and Biological Engineering, works in his lab to develop an on-site computer and software system for agriculture-based air quality research. The system consists of commercial data acquisition hardware, a personal computer, and custom-developed software to provide a more flexible, high-quality and user-friendly way to better understand and limit emission and pollution impact. Credit: Purdue University Purdue University researchers are developing an on-site computer and software system that could provide a…

Team sets new record for magnetic tape storage—makes tape competitive for cloud storage

In this photo, IBM scientist Dr. Mark Lantz, holds a one square inch piece of Sony Storage Media Solutions sputtered tape, which can hold 201 Gigabytes, a new world record. Credit: IBM Research Research scientists have achieved a new world record in tape storage – their fifth since 2006. The new record of 201 Gb/in2 (gigabits per square inch) in areal density was achieved on a prototype sputtered magnetic tape developed by Sony Storage Media Solutions. The scientists presented the…

Where there’s fire, there’s smoke — and social media — ScienceDaily

When people see smoke on the horizon, what do they do? Besides (hopefully) calling fire authorities, they post to social media, of course. The fact that people reliably flock to social media to discuss smoke and fire was the inspiration for a new study by Colorado State University atmospheric scientists. Driven to innovate ways to improve the air we breathe, the scientists have shown that social media, Facebook in this case, could prove a powerful tool. A study in Atmospheric…

Prototyping with React VR – Airbnb Engineering & Data Science – Medium

At Airbnb, we’ve been using React to build user interfaces for our website since 2014. React has radically changed our approach to building UI, and we’ve been active contributors to the open source community with projects such as Enzyme, Hypernova, react-sketchapp, react-with-styles, react-dates, and react-native-maps. React VR provided a unique opportunity to leverage our expertise to rapidly test and iterate many of the VR ideas we’ve been playing with. To do this, we brought together a small team of React…

Scholars shed light on ‘moving target’ of drone regulation in the US

Credit: CC0 Public Domain For some, they’re a hobby. For other people, they’re tools. And for many, they’re just a big nuisance. Love ’em or hate ’em, drones—or, unmanned aerial systems—are increasingly a part of life for millions in the U.S. In fact, the Federal Aviation Administration estimates annual sales of drones should hit 7 million by 2020. But a growing thicket of regulations and laws can make drone operation confusing for hobbyists, commercial operators and researchers who use drones.…

Migrating to Espresso | LinkedIn Engineering

Babylonia makes direct writes to Espresso.   Ensuring consistencyWe’ve had three different processes writing data to our Espresso database: the bulk loader, the Databus listener, and Babylonia itself. One issue we needed to tackle was how we would allow these three writers to operate without conflicting. Consider the system at this stage, where Babylonia was performing dual writes. After writing directly to Espresso, Babylonia would write to Oracle, which generated a Databus event. When this event reached the Databus listener,…

Cicada wings may inspire new surface technologies

The wings of Megatibicen dorsatus, a prairie-dwelling cicada, are helping engineers design water-repellent surfaces. Credit: Catherine Dana Researchers are looking to insects – specifically cicadas – for insight into the design of artificial surfaces with de-icing, self-cleaning and anti-fogging abilities. Their wings allow cicadas to fly, of course, but they also are good at repelling water – a condition that humans can appreciate, too. “Our work with cicadas is letting us explore a field called bioinspiration,” said Nenad Miljkovic,…

Engineering Scalable, Isolated Mobile Features with Plugins at Uber

As Uber grows, we continue to refine our approach to architecting mobile applications in order to support the scale of our businesses. When apps grow it can become harder to add new features without breaking other features, experiment with existing features, and decide where new features should be integrated. Our investments in RIB architecture and plugin tooling over the last 18 months targeted these scaling problems and has allowed Uber engineers to measurably increase their productivity, and in many cases,…