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Author: engineering

Laser technology takes Maya archeologists where they’ve never gone before — ScienceDaily

With the help of airborne laser mapping technology, a team of archaeologists, led by University of Arizona professor Takeshi Inomata, is exploring on a larger scale than ever before the history and spread of settlement at the ancient Maya site of Ceibal in Guatemala. In a new paper published in the journal PLOS ONE, Inomata and his colleagues explain how they commissioned the use of LiDAR, or light detection and ranging, technology to map a significantly larger area of Ceibal…

BIRDS Model uses just two inputs to predict terrestrial locomotion in extinct avian and non-avian dinosaurs — ScienceDaily

A new model based on ground-running birds could predict locomotion of bipedal dinosaurs based on their speed and body size, according to a study published February 21, 2018 in the open-access journal PLOS ONE by Peter Bishop from the Queensland Museum, Australia and colleagues. Previous research has investigated the biomechanics of ground-dwelling birds to better understand the how bipedal non-avian dinosaurs moved, but it has not previously been possible to empirically predict the locomotive forces that extinct dinosaurs experienced, especially…

Validating Leaked Passwords with k-Anonymity

Today, v2 of Pwned Passwords was released as part of the Have I Been Pwned service offered by Troy Hunt. Containing over half a billion real world leaked passwords, this database provides a vital tool for correcting the course of how the industry combats modern threats against password security. I have written about how we need to rethink password security and Pwned Passwords v2 in the following post: How Developers Got Password Security So Wrong. Instead, in this post I…

How Developers got Password Security so Wrong

Both in our real lives, and online, there are times where we need to authenticate ourselves – where we need to confirm we are who we say we are. This can be done using three things: Something you know Something you have Something you are Passwords are an example of something you know; they were introduced in 1961 for computer authentication for a time-share computer in MIT. Shortly afterwards, a PhD researcher breached this system (by being able to simply…

Low-power, flexible memristor circuit for mobile and wearable devices

Figure 1. Schematic illustration and cross-sectional TEM image of flexible memristive nonvolatile logic-in-memory circuit. Credit: Korea Advanced Institute of Science and Technology A KAIST research team succeeded in developing an energy efficient, nonvolatile logic-in-memory circuit by using a memristor. This novel technology can be used as an energy efficient computing architecture for battery-powered flexible electronic systems, such as mobile and wearable devices. Professor Sung-Yool Choi from the School of Electrical Engineering and Professor Sang-Hee Ko Park from the Department of…

Phnom Penh: Cloudflare’s 122nd Data Center

Cloudflare is excited to turn up our newest data center in Phnom Penh, Cambodia, making over 7 million Internet properties even faster. This is our 122nd data center globally, and our 41st data center in Asia. By the end of 2018, we expect that 95% of the world’s population will live in a country with a Cloudflare data center, as we grow our global network to span 200 cities. Cambodian Internet Home to over 16 million people, Cambodia has a…

Using Go as a scripting language in Linux

At Cloudflare we like Go. We use it in many in-house software projects as well as parts of bigger pipeline systems. But can we take Go to the next level and use it as a scripting language for our favourite operating system, Linux?gopher image CC BY 3.0 Renee FrenchTux image CC0 BY OpenClipart-Vectors Why consider Go as a scripting language Short answer: why not? Go is relatively easy to learn, not too verbose and there is a huge ecosystem of…

Civil engineers devise a cost-saving solution for cities

Credit: Concordia University Why fix a road today if it’s slated to be ripped up for new sewers next summer? This kind of question is at the heart of research from Tarek Zayed, and Amin Hammad, professors in Concordia’s Department of Building, Civil and Environmental Engineering (BCEE), and PhD candidates Soliman A. Abu-Samra and Mahmoud Ahmed. “Better coordination at city hall is the key to less costly repairs,” says Abu-Samra. “We’ve shown that streamlining maintenance results in huge financial…

Introducing the Uber AI Residency

Uber AI Labs is excited to announce the Uber AI Residency, an intensive one-year research training program slated to begin this summer.   Uber has invested substantially in machine learning and artificial intelligence, with groups around the company working on a variety of techniques—deep learning, reinforcement learning, neuroevolution, probabilistic modeling, and natural language processing, to name just a few—to enable a set of real world applications just as varied. When machine learning works well, Uber can provide improved user experiences across…

Technology to improve the resilience of bridges

Satzengraben bridge – Austria’s longest integral abutment bridge. Credit: Vienna University of Technology Bridges change shape, which is why they are usually built with expansion joints. At TU Wien, a technology has been developed that makes it possible to forego these joints, thus saving time and money. You can feel it straight away when you drive over a bridge quickly: the expansion joint that you rumble over at the start and end of the bridge. These joints are necessary as…