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Category: Civil Engineering

Adaptive structures cut down the carbon footprint of buildings

Credit: EPFL / Alain Herzog Scientists at EPFL have developed new methods to design and control civil structures that are able to automatically adapt to loading. The aim is to reduce the environmental impact of the construction sector. In order to address current environmental challenges, the construction industry must find new ways of building. “The construction industry is the largest consumer of raw materials and accounts for over a third of global energy demand,” says Gennaro Senatore, a scientist at…

A WISE Panel Reviews the Effects of the Pandemic on the Workforce

At a Glance: Why the recession resulting from COVID-19 is taking an economic and societal toll on women. A panel of women in science and engineering (WISE) discuss steps manufacturers can take to mitigate the downsides created by the pandemic. Convening at Design Summit 2020, the virtual roundtable asked women to draw from experience and highlight new markers for success: collaboration, diversity and inclusion.  During “normal” recessions, men face greater risk of unemployment than women. But this is not a…

COM-HPC: Reaching a Higher (Performance) Standard

What you’ll learn What’s new with NXP’s S32K3 series. How lockstep makes a difference with the S32K3. NXP Semiconductors has used the Cortex-M7 core for a range of automotive microcontroller units (MCUs) starting with the S32K1 series. The new S32K3 series raises all the bars with more memory and performance as well as including features like lockstep mode (Fig. 1). Asymmetric Cortex systems-on-chip (SoCs) are common, but they’re typically a Cortex-M0+ and a higher-end Cortex-M or combined with a Cortex-A…

Envoy Mobile Joins the CNCF. Just over a year ago, we announced… | by Mike Schore | Nov, 2020

Just over a year ago, we announced Envoy Mobile’s initial OSS preview. Today, we have some exciting news to share: Envoy Mobile is officially joining its parent project Envoy as part of the Cloud Native Computing Foundation (CNCF)! From the outset, we made the commitment to develop Envoy Mobile as an open source project. Our belief in its potential to break new ground as a model for mobile networking and recognition of the vibrant community that has grown around Envoy…

Battery-Powered Remote Wireless Sensors Go to Extremes

Download this article in PDF format. What you’ll learn: Remote wireless applications tied to the industrial Internet of Things (IIoT) demand ultra-long-life, industrial-grade lithium batteries. To conserve energy, low-power devices rely on industrial-grade primary (non-rechargeable) lithium batteries when average current is in microamps. If average current is in milliamps, then it may require the use of an energy-harvesting device along with an industrial-grade Li-ion rechargeable battery. Extended battery life demands very low annual self-discharge by harnessing the passivation effect. Harsh…

Designing layered oxide materials for sodium-ion batteries

November 16, 2020 feature Cationic potential and its use in sodium (Na)-ion layered oxides. (A) Schematic illustration of crystal representative P2-type (hexagonal) and O3-type (rhombohedral) layered oxides. (B) Cationic potential of representative P2- and O3-type Na-ion layered oxides, considering the Na content, oxidation state of transition metals, and TM composition. Credit: Science, doi: 10.1126/science.aay9972 Lithium cobalt oxide is a layered metal oxide that has attracted great attention to develop rechargeable batteries. Sodium-ion batteries can store grid-scale energy due to the…

Advance could enable artificial intelligence on household appliances while enhancing data security and energy efficiency — ScienceDaily

Deep learning is everywhere. This branch of artificial intelligence curates your social media and serves your Google search results. Soon, deep learning could also check your vitals or set your thermostat. MIT researchers have developed a system that could bring deep learning neural networks to new — and much smaller — places, like the tiny computer chips in wearable medical devices, household appliances, and the 250 billion other objects that constitute the “internet of things” (IoT). The system, called MCUNet,…

New fiber optic sensors transmit data up to 100 times faster

Simon Zaslawski, Zhisheng Yan and Prof. Luc Thévenaz. Credit: EPFL / Alain Herzog Fiber optic sensors—used in critical applications like detecting fires in tunnels, pinpointing leaks in pipelines and predicting landslides—are about to get even faster and more accurate. EPFL engineers have developed an advanced encoding and decoding system that allows fiber optic sensors to send data up to 100 times faster and over a wider area. “Unlike conventional sensors that take measurements at a given point, like thermometers, fiber…

Building a smooth Stories experience on iOS

Loading animation Along with dismissing animation of the story viewer, we wanted to indicate the loading of a story once tapped as seen above. This allows the user to receive visual feedback that their tap has been received, which is especially useful on slower or unreliable connections. The loading animation consists of an animating ring around the user’s profile picture which also resizes itself simultaneously. The animation’s duration is indefinite—it continues until the story is actually loaded and the story…

Tech Leaders on the Future of Remote Work

Dozens of top leaders and thinkers from the tech industry and beyond recently joined us for a series of fireside chats commemorating Cloudflare’s 10th birthday. Over the course of 24 hours of conversation, many of these leaders touched on how the workplace has evolved during the pandemic, and how these changes will endure into the future. Here are some of the highlights. On the competition for talent Stewart ButterfieldCo-founder and CEO, Slack The thing that I think people don’t appreciate…