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Category: Construction Engineering

Building a Scalable and Reliable Map Interface for Drivers

By Chris Haugli This article is the sixth in a series covering how Uber’s mobile engineering team developed the newest version of our driver app, codenamed Carbon, a core component of our ridesharing business. Among other new features, the app lets our population of over three million driver-partners find fares, get directions, and track their earnings. We began designing the new app in conjunction with feedback from our driver-partners in 2017, and began rolling it out for production in September…

Introducing ThirdEye: LinkedIn’s Business-Wide Monitoring Platform

At LinkedIn, we have many different monitoring systems—each with its own role and granularity— ranging from quarterly reports about the business as a whole to the lowest levels of system-specific latency and availability. However, these systems don’t operate in vacuums—sometimes, issues or changes that are flagged by one system will go on to cause problems in another area. While system-specific monitoring is valuable and necessary, we also need to have an overall platform that allows us to see how the…

A Look at Building Tools for Square Developers

At Square, the Developers team exposes APIs that allow third-party developers to build custom business-processing solutions. On October 18, we announced to developers using our APIs that webhooks would now support retries. If a webhook cannot be delivered, our system will now be able to retry multiple times until a successful delivery. Square’s webhook delivery system is a service I’ll refer to as Webhooks. Improving Webhooks’ reliability was a project I had the opportunity to dive into the first week…

Recovering Files from a Dead Hard Drive

Recovering files from a dead hard drive is not at all an easy task. But we want to help you with all of it. In today’s post, we are going to give you a step by step guideline as to how you can recover files from dead hard drive. And don’t worry, if they don’t work for you, we will give you even better options that you may consider. So continue reading and give it a shot. The drive should…

The development of a hybrid micro mixer for biological and chemical experiments

Components of the mixing system (scaled). All measurements are in mm. Credit: Majid Warkiani An international team of scientists including an employee of I.M. Sechenov First Moscow State Medical University (MSMU) has developed a device for mixing chemical and biological reaction feeds. The team managed to increase the mixing efficiency up to 90 percent. The new device will be used in biological and chemical experiments. The article was published in the RSC Advances journal. Small mixing devices are used in…

Revealing how plants branch out to access water — ScienceDaily

New research has discovered how plant roots sense the availability of moisture in soil and then adapt their shape to optimise acquisition of water. The discovery could enable crops to be bred which are more adaptive to changes in climate conditions, such as water scarcity, and help ensure food security in the future. These findings, published in the journal Science, describe a new molecular mechanism discovered by collaborating teams at the universities of Nottingham and Durham, primarily funded by a…

How Uber Beacon Helps Improve Safety for Riders and Drivers

By Andrew Beinstein, Dinesh Ramasamy, Andrew Irish, & Ted Sumers Globally, there are approximately 1.3 million collision-related fatalities on the road every year. Crash fatalities are still the leading cause of death for people between 15-29 years old, impacting families, communities, and cities. Governments around the world are working to reduce the risks, committing more resources towards improving road safety. At Uber, we want to do our part by committing the power of our technology to help make travel safer for…

Biocompatible sensor could be used in diagnostics, therapeutics, human-computer interfaces, and virtual reality — ScienceDaily

Children born prematurely often develop neuromotor and cognitive developmental disabilities. The best way to reduce the impacts of those disabilities is to catch them early through a series of cognitive and motor tests. But accurately measuring and recording the motor functions of small children is tricky. As any parent will tell you, toddlers tend to dislike wearing bulky devices on their hands and have a predilection for ingesting things they shouldn’t. Harvard University researchers have developed a soft, non-toxic wearable…

Interning at Uber: Building the Uber Eats Menu Scheduler

Cubs at Play feature image by Lip Kee, licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. By Jonathan Levi As one of Uber’s summer 2018 interns, I could not have been more excited to work on the technologies used by my friends and family on the Uber platform every day. Working on a computer science degree, I applied for a summer internship at Uber as a means of getting real, hands-on experience. The path that led me to…

For these critically endangered marine turtles, climate change could be a knockout blow — ScienceDaily

Hawksbill turtles aren’t the only marine turtles threatened by the destabilizing effects of climate change, but a new study from researchers at Florida State University shows that this critically endangered species could be at particular risk. In a study published in the journal PLOS ONE, researchers from FSU’s Department of Earth, Ocean and Atmospheric Science suggest that projected increases in air temperatures, rainfall inundation and blistering solar radiation could significantly reduce hawksbill hatching success at a selection of major nesting…