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Category: Electronics Engineering

New sensor could shake up earthquake response efforts

A new sensor developed at Lawrence Berkeley National Laboratory combines laser beams with a position sensitive detector to directly measure drift between building stories, an essential part of assessing earthquake damages in a building and deeming them safe to reoccupy. Credit: Diana Swantek/Berkeley Lab Last week’s massive southern California earthquakes shut down Ridgecrest Regional Hospital throughout the July 4 holiday weekend while the tiny town of Ridgecrest assessed the damages. A new optical sensor developed at Lawrence Berkeley National Laboratory…

A Conversation with John Gage

To learn more about the origins of The Network is the Computer®, I spoke with John Gage, the creator of the phrase and the 21st employee of Sun Microsystems. John had a key role in shaping the vision of Sun and had a lot to share about his vision for the future. Listen to our conversation here and read the full transcript below. [00:00:13] John Graham-Cumming: I’m talking to John Gage who was what, the 21st employee of Sun Microsystems,…

The Network is the Computer

We recently registered the trademark for The Network is the Computer®, to encompass how Cloudflare is utilizing its network to pave the way for the future of the Internet. The phrase was first coined in 1984 by John Gage, the 21st employee of Sun Microsystems, where he was credited with building Sun’s vision around “The Network is the Computer.” When Sun was acquired in 2010, the trademark was not renewed, but the vision remained. Take it from him: “When we…

A moderate dose of novel form of stress promotes longevity — ScienceDaily

A newly described form of stress called chromatin architectural defect, or chromatin stress, triggers in cells a response that leads to a longer life. Researchers at Baylor College of Medicine and the Houston Methodist Research Institute report in the journal Science Advances that moderate chromatin stress levels set off a stress response in yeast, the tiny laboratory worm C. elegans, the fruit fly and mouse embryonic stem cells, and in yeast and C. elegans the response promotes longevity. The findings…

PCB Assembly Services – Screaming Circuits: PCB Design Tip of the Day: Connectors

PCB Design Tip of the Day: Ensure Connector Locations & Orientations are Correct  Connectors, especially thru-hole connectors, present opportunities for error in both layout and in assembly. First, it’s not always obvious to the PCB layout specialist which side of the board the connector needs to go on. Then during assembly, the electronic data often doesn’t specify which side of the board a thru-hole component will go on. We’re left to rely on silk screen or notes in the mechanical…

New high-definition satellite radar can detect bridges at risk of collapse from space

The Morandi Bridge before its collapse. New satellite radar imaging can show the movement of structures with millimetre accuracy. Credit: Remote Sensing Researchers from the NASA Jet Propulsion Laboratory (JPL) and the University of Bath have developed a satellite-based early warning system that could spot tiny movements in bridges that indicate they could collapse. Combining data from a new generation of satellites with a sophisticated algorithm, the monitoring system could be used by governments or developers to act as a…

Expediting Data Fixes and Data Migrations

With over 630 million members, the LinkedIn platform delivers thousands of features that individually serve and store large amounts of diverse data. Protecting, maintaining, and serving data has always been of paramount importance for enriching the member experience and ensuring service reliability. In this blog post, we’ll address a critical part of data management involving ad hoc operations through data migrations or data fixes. More specifically, we’ll detail how we developed a centralized scaleable self-service platform for implementing and executing…

New app aims to automate drones for good

Cascade project testing. Credit: Cranfield University Researchers at Cranfield University have developed a smartphone app which can connect with off-the-shelf drones and send them to autonomously inspect multiple locations using coordinates received by SMS text message. Controlling drones in this way could be useful for a variety of applications in the future including the collection of crop health data in specific locations and searching for missing persons. The goal of the CASCADE project is to accelerate the exploitation of unmanned…

Gemini: Wayfair’s advanced marketing test design and measurement platform

At Wayfair, data scientists help optimize our marketing channel performance by rapidly and iteratively developing machine learning algorithms and data-driven strategies. When it comes to measuring model efficacy, AB testing plays a central role and serves as a gold standard in strategic decision making within marketing. Due to the natural complexities in marketing operations, marketing-related test design and measurement require special techniques to account for multidimensional, sparse, seasonal, and autocorrelated observations. In this blog post, we will discuss these challenges,…

Visualizing City Cores with H3, Uber’s Open Source Geospatial Indexing System

At Uber, we leverage large geospatial datasets to power our marketplace algorithms, leading to more accurate ETAs, dynamic pricing, and better routes for users on our platform.  Deriving information and insights from data in the Uber marketplace requires analyzing data across an entire city. Grid systems, which partition geographic areas into identifiable cells and facilitate the exploration of data at a fine granularity, are critical to this effort. When Uber designed a grid system to bucket geospatial events, we looked…