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Engineering News

Metal-organic frameworks can separate gases despite the presence of water — ScienceDaily

Metal-organic frameworks (MOFs) are promising materials for inexpensive and less energy-intensive gas separation even in the presence of impurities such as water. Experimental analyses of the performance of metal-organic frameworks (MOFs) for the separation of propane and propene under real-world conditions revealed that the most commonly used theory to predict the selectivity does not yield accurate estimates, and also that water as an impurity does not have a detrimental effect on the material’s performance. Short chain hydrocarbons are produced in…

Enhanced 0.13-µm BCD Process Targets Auto Power Electronics

In the world of automotive events, the 2020 Philadelphia Auto Show is a well-respected, but second-tier affair. With the exception of SSC unveiling its Tuatara, a 1750-hp, 250+ mph hypercar, there was a distinct lack of major product introductions, flashy concept cars, and other market-defining announcements normally found at top-tier events held in the likes of Detroit, Geneva, or Milan. Yet the very ordinariness of the Philly show made it a great place to get a sense of how far…

New Networking Chip Adds IO-Link to More Compact Devices

If you’re an experienced RF communications engineer, you probably don’t have to read this blog. But if you’re a beginning engineer, an engineer recently assigned to a communication project, a tech manager overseeing communications engineers, or those of you who test or sell comm gear, you may want to take a look. Learning About Comm The largest sector of electronics is communications. Name an electronic product today that does NOT have some comm function. If you dig out the sales…

Defects in Cathodes Could Improve Battery Performance

Engineers are in search of the perfect battery, one that will give smartphones longer-operating times, let electric vehicles drive for hundreds of miles on a single charge and let utilities and consumers store renewable energy for future use. One approach to the battery problem is by improving one of its components, the cathode. To date, the typical way to improve cathodes has been to adjust their chemical composition. But now, chemists at the U.S. Department of Energy’s (DOE) Brookhaven National…

Cultural Immersion Lunch: Celebration of Black Women in Engineering One of College’s Best

Students and faculty sat together eating and discussing the “Food for Thought” prompts which addressed disparities and inequalities faced by female engineers of color. To finish out Women in Engineering Week and celebrate Black History Month, the College of Engineering held a cultural immersion lunch to highlight black women engineers. The lunch, held Feb. 21, was more interactive than past lunches and was one of the most well attended the College has had in recent years. About 30 students and…

Tricks of the Trade: Tuning JVM Memory for Large-scale Services

Running queries on Uber’s data platform lets us make data-driven decisions at every level, from forecasting rider demand during high traffic events to identifying and addressing bottlenecks in the driver sign-up process. Our Apache Hadoop-based data platform ingests hundreds of petabytes of analytical data with minimum latency and stores it in a data lake built on top of the Hadoop Distributed File System (HDFS).  Our data platform leverages several open source projects (Apache Hive, Apache Presto, and Apache Spark) for…

Crowdfunding — entrepreneurs should resist the urge to promise to save the Earth — ScienceDaily

Entrepreneurs seeking funds on business-oriented crowdfunding platforms should avoid over-emphasising the social or environmental benefits of their start-ups or products if they are to maximise potential investment, a new study from the University of Bath and Polytechnic University of Milan shows. Language emphasising the social good of a product can be highly effective on micro-lending platforms, such as Kiva.org that target investors with social consciences, but can be counterproductive on more business-focused platforms such as Kickstarter where potential backers look…

Embedded World 2020: Products Aplenty but Fewer Attendees

Not sure if I need a T-shirt with “I survived Embedded World 2020,” but it’s one of the few recent tradeshows that wasn’t cancelled due to the coronavirus. Attendance was down and many of the major chip vendors, such as NXP and Silicon Labs, weren’t there. One hall was shut down and the venues had a lot more open space (Fig. 1). On the flip side, there were actually places to sit for lunch and I had a chance to…

Introducing Secrets and Environment Variables to Cloudflare Workers

The Workers team here at Cloudflare has been hard at work shipping a bunch of new features in the last year and we’ve seen some amazing things built with the tools we’ve provided. However, as my uncle once said, with great serverless platform growth comes great responsibility. One of the ways we can help is by ensuring that deploying and maintaining your Workers scripts is a low risk endeavor. Rotating a set of API keys shouldn’t require risking downtime through…

Impact of Cache Locality

In the past, we didn’t have the opportunity to evaluate as many CPUs as we do today. The hardware ecosystem was simple – Intel had consistently delivered industry leading processors. Other vendors could not compete with them on both performance and cost. Recently it all changed: AMD has been challenging the status quo with their 2nd Gen EPYC processors. This is not the first time that Intel has been challenged; previously there was Qualcomm, and we worked with AMD and…