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Category: Electrical Engineering

Sharing a common form factor for accelerator modules

Artificial intelligence applications are rapidly evolving and increasing the demands on hardware systems. To keep up with those demands, our industry is producing new types of accelerators for machine learning, deep learning, and high-performance computing for various types of hardware — GPUs, FPGAs, ASICs, IPU, NPUs, xPUs, and the list goes on. These are generally add-in cards or accelerator modules installed on an existing system. The add-ins come in different shapes, with a range of thermal characteristics, a variety of…

PCB Assembly Services – Screaming Circuits: 150 Years of Predicting the Elements of Electronics

A few words by Sara Shepherd… A poster of this was likely tacked to the wall of every science classroom you sat in and — if you’re anything like me — you may still have occasional nightmares about having to memorize the positions. What is it? That’s right: the periodic table of the elements, which celebrates its 150th birthday this year. And, speaking of nightmares, the inventor of the table, Dmitri Mendeleev, claimed the complete arrangement of the elements came…

Building digitally, living digitally

Credit: Roman Keller DFAB HOUSE has officially opened today on the NEST building of Empa and Eawag in Dübendorf. It is the world’s first inhabited “house” that was not only digitally planned, but also – with the help of robots and 3-D printers – built largely digitally. The construction technologies were developed by ETH Zurich researchers in collaboration with industrial partners. A delicate concrete ceiling – cast in 3-D-printed formwork – and a curved concrete wall created by a construction…

Not all sleep is equal when it comes to cleaning the brain — ScienceDaily

New research shows how the depth of sleep can impact our brain’s ability to efficiently wash away waste and toxic proteins. Because sleep often becomes increasingly lighter and more disrupted as we become older, the study reinforces and potentially explains the links between aging, sleep deprivation, and heightened risk for Alzheimer’s disease. “Sleep is critical to the function of the brain’s waste removal system and this study shows that the deeper the sleep the better,” said Maiken Nedergaard, M.D., D.M.Sc.,…

Engineering leaders emerge as part of 2019 Mizzou ’39 class

Julia Wopata and Trent Wideman were selected as Mizzou ’39 recipients in honor of “their academic achievement, leadership and service to Mizzou and the community.” Mizzou ’39 recipients are among the best and brightest seniors MU has to offer. These are students equipped with the skills to lead on immediately after graduation and the resume to match. Two members of this year’s class are Mizzou Engineering students — Trent Wideman and Julia Wopata. One of the College’s most important goals…

Rebuilding the Profile Highlights System at LinkedIn

In this post, we will touch on why we decided to rebuild the backend system that supports this feature, its technological background, how we re-architected it, and the benefits and successes achieved thus far. Motivations for rebuilding the system The initial profile highlights system was built five years ago to support a relatively smaller number of highlights between two members. Started as a proof of concept, the system was built using a monolithic architecture, where all types of highlights were…

Unpacking the Stack and Addressing Complaints about Content

Although we are focused on protecting and optimizing the operation of the Internet, Cloudflare is sometimes the target of complaints or criticism about the content of a very small percentage of the more than thirteen million websites that use our service. Our termination of services to the Daily Stormer website a year and a half ago drew significant attention to our approach to these issues and prompted a lot of thinking on our part.   At the time, Matthew wrote…

Robust approach for minimizing costs in power-distribution networks

Dealing with uncertainty when scheduling power generators Credit: Takayuki Ishizaki, Tokyo Institute of Techology Scientists at Tokyo Institute of Technology have developed a new method for scheduling the activation and deactivation of power generators that minimizes costs and ensures reliability while addressing the issues prevalent in previous methods. Electrical generators have start-up and shut-down times and associated costs. Because multiple generators are generally available at any given time, and they cannot be activated or deactivated quickly, network operators usually schedule…

Approach suppresses spectral cross-talk in dual-band photodetectors — ScienceDaily

A new method developed by Northwestern Engineering’s Manijeh Razeghi has greatly reduced a type of image distortion caused by the presence of spectral cross-talk between dual-band long-wavelength photodetectors. The work opens the door for a new generation of high spectral-contrast infrared imaging devices with applications in medicine, defense and security, planetary sciences, and art preservation. “Dual-band photodetectors offer many benefits in infrared imaging, including higher quality images and more available data for image processing algorithms,” said Razeghi, Walter P. Murphy…

Core technology for ultra-small 3-D image sensor

Figure 1.The manufactured OPA chip. Credit: KAIST A KAIST research team developed a silicon optical phased array (OPA) chip, which can be a core component for three-dimensional image sensors. This research was co-led by Ph.D. candidate Seong-Hwan Kim and Dr. Jong-Bum You from the National Nanofab Center (NNFC). A 3-D image sensor adds distance information to a two-dimensional image, such as a photo, to recognize it as a 3-D image. It plays a vital role in various electronics including autonomous…