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Engineering News

Scientists borrow solar panel tech to create new ultrahigh-res OLED display

Illustration of the meta-OLED display and the underlying metaphotonic layer, which improves the overall brightness and color of the display while keeping it thin and energy efficient. Credit: Samsung Advanced Institute of Technology By expanding on existing designs for electrodes of ultra-thin solar panels, Stanford researchers and collaborators in Korea have developed a new architecture for OLED—organic light-emitting diode—displays that could enable televisions, smartphones and virtual or augmented reality devices with resolutions of up to 10,000 pixels per inch (PPI).…

Redesign Makes Lithium Batteries Lighter and Safer

At a Glance: Johns Hopkins University researchers detail a new method for testing metals at a microscopic scale. The research exposes the origins of crack initiation in metals and unravels a method to prevent catastrophic events. Jaafar El-Awady makes a case for selecting materials that reduce the probability of fatigue cracking in metallic components used in airplanes, bridges and other structures that crack. Defect and failure inspections on aircraft components play an important role in aircraft safety. All the better…

How to Choose an Electronic Load

This article appeared in Evaluation Engineering and has been published here with permission. It is a well-known fact that electronic loads are essential in power-supply and battery-testing applications. However, it can be hard to decide which electronic load is best for an application because of the variety of options in the market today. In this article, we explore the key characteristics of electronic loads and what to consider when starting a new application.   When it comes to electronic loads, there…

Civil Engineering PhD Student Places for Research Poster

Daeyeol Chang Daeyeol Chang, a civil and environmental engineering doctoral student, received second place in the research poster competition at this year’s virtual Missouri Highway Safety and Traffic Conference. Chang’s research topic was “Taking the Freeway: Inferring Evacuee Route Selection from Survey Data.” This topic strongly related to the conference’s goal of moving Missouri toward safer roads. “Specifically, my topic dealt with hurricane evacuation modeling for route choice between freeways versus non-freeway routes,” Chang said. Disasters like floods, tornadoes and…

Machine-Learning Inference Chip Travels to the Edge

Flex Logix has unveiled its InferX X1 machine-learning (ML) inference system, which is packed into a 54-mm2 chip. The X1 incorporates 64 1D Tensor processing units (TPUs) linked by the XFLX interconnect (Fig. 1). The dual 1-MB level 2 SRAM holds activations while the level 1 SRAM holds the weights for the next layer of computation. An on-chip FPGA provides additional customization capabilities. There’s also a 4-MB level 3 SRAM, LPDDR4 interface, and x4 PCI Express (PCIe) interface. 1. The…

Scaling Live streaming for millions of viewers

As Facebook Live and Facebook Watch have grown, the content shared there has expanded to include professionally produced, broadcast-quality content, like shows and live event coverage. This type of professional broadcasting from providers like La Liga, CONMEBOL, and UEFA is a very different challenge from user generated content (UGC) and viewers’ expectations are much higher. Viewers who are used to the reliability and quality of traditional TV broadcasts expect a near-flawless viewing experience for these Live streams. While many companies…

Creating a standard for benchmarking probabilistic programming languages

What’s New: PPL Bench is an open source benchmark framework for evaluating probabilistic programming languages (PPLs) used for statistical modeling. Researchers can use PPL Bench to build their own reference implementations (a number of PPLs are already included) and to benchmark them all in an apples-to-apples comparison. It’s designed to provide researchers with a standard for evaluating improvements in PPLs and to help researchers and engineers choose the best PPL for their applications. What it is: PPLs allow statisticians to…

Digital Representations of Physical Assets Support Real-Time Insights

At a Glance: Bentley Systems, an infrastructure engineering software company, announced the winners of its annual infrastructure competition at a virtual conference (Oct. 19-21). Conference presenters share case studies to demonstrate infrastructure improvements where digital twins are developed and physical assets are tracked in real time. Attendees were briefed on ways in which plants can visualize, contextualize and validate data using applications from the Bentley Systems’ playbook, including PlantSight. The phrase “digital twins” has been around for some time, but its…

Lens Antennas Deliver More Cellular Capacity to Venues at a Lower Cost

What you’ll learn: How the surging demand for electronics and technologies is creating growth opportunities for EMS providers. The role advanced technologies such as AI and automation play in enhancing the outlook of the EMS industry.   The advent of digital computers and their subsequent progress and integration into the mainstream since the 1990s has played a huge role in popularizing electronics usage. Modern electronic devices have long transcended the capacities of their predecessors, becoming increasingly more economical, available, and…

Under the hood: Updating LinkedIn’s UI

Simple example of the Sass function and mixin Leaving ourselves in a better technical state In addition to updating our UI to better embody the inclusive, warm, and welcoming community of individuals who make LinkedIn, LinkedIn, we have further pushed our products to fully adopt the new design system while largely avoiding additional technical debt. We can update our UI significantly faster today than we were able to when we started because we took this opportunity to not only leverage…