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Category: Mechanical Engineering

In some cases, radio frequency signals may be more useful for caregivers than cameras or other data-collection methods — ScienceDaily

We live in a world of wireless signals flowing around us and bouncing off our bodies. MIT researchers are now leveraging those signal reflections to provide scientists and caregivers with valuable insights into people’s behavior and health. The system, called Marko, transmits a low-power radio-frequency (RF) signal into an environment. The signal will return to the system with certain changes if it has bounced off a moving human. Novel algorithms then analyze those changed reflections and associate them with specific…

Uber Engineering Celebrates Take Your Kids to Work Day

In this article, Uber Seattle business partner and UberParents Employee Resource Group co-lead Amy Hooey shares highlights from Uber’s annual Take Our Daughters and Sons to Work Day celebration. Commonly referred to as Take Your Kids to Work Day by organizations in the United States, the event is an opportunity for the children of Uber parents to get a taste of what it’s like to work at a technology company like Uber.   On Thursday April 25, 2019,  Uber offices…

Facebook joins Urban Computing Foundation (UCF)

By Michael Cheng As part of Facebook’s long-standing commitment to open standards and the open source community, we have shared data sets and models to help global organizations. We are using our expertise — including a predictive model for mapping electrical grids, disaster maps , and more accurate population density maps — to improve access to this type of technology. Today, we are pleased to announce our participation as a founding member of the new Urban Computing Foundation (UCF).Formed by…

eBPF can’t count?!

Grant mechanical calculating machine, public domain image It is unlikely we can tell you anything new about the extended Berkeley Packet Filter, eBPF for short, if you’ve read all the great man pages, docs, guides, and some of our blogs out there. But we can tell you a war story, and who doesn’t like those? This one is about how eBPF lost its ability to count for a while1. They say in our Austin, Texas office that all good stories…

Driving Business Decisions Using Data Science and Machine Learning

Problem formulationDefining the problem is critical to the success of any project. Pre-analysis is often conducted to understand the current business problems and challenges, along with what we want to achieve and how to align this with business priorities. Label preparationLabeled data is the thing we are predicting in a machine learning scenario (for example, a relevant piece of content in a feed recommendation system). Label definitions are key to training, testing, and validating data sets. Depending on the implications…

F8 2019 Day 2 keynote and session videos

At F8 2019 day 2, topics included a new method for computer vision, new techniques for self-supervised learning, and a new framework for inclusive AR/VR. Watch the video of the keynote address and summaries of several of the technical sessions.This post will update as session videos are available Keynote address Chief Technology Officer Mike Schroepfer kicked things off with a discussion of our investment in AI tools that help us tackle a wide range of complex challenges across our products…

US, Russia, China race to develop hypersonic weapons

Russia and China have recently touted their progress in developing hypersonic vehicles, which fly much faster than the speed of sound, which is 767 mph. Hypersonic missiles are rocket-boosted to high altitude and may be launched from land, sea or air. They fly far faster than any other weapons – more than 3,000 mph and potentially up to 10,000 mph – which makes them difficult to identify, avoid or shoot down. After leading the development of this technology area for…

Team using drones with machine learning to automate methane leak detection

Maria Araujo inspects a drone that uses midwave infrared cameras (MWIR) to autonomously detect methane leaks. SwRI’s Smart LEak Detection System (SLED) uses computer vision and machine learning to detect pipeline leaks from aerial drones. Credit: Southwest Research Institute A Southwest Research Institute methane leak detection system is taking flight as part of a U.S. Department of Energy (DOE) National Energy Technology Laboratory (NETL) project to develop automated inspections of oil and gas facilities. SwRI researchers will adapt the Smart…

F8 2019 Day 1 keynote and session videos

Today, we kicked off F8 2019. Thousands of attendees gathered in San Jose to learn about our latest plans, research, tools, and open source releases. Topics included ensuring Messenger and WhatsApp are the fast, secure, private centers of your social experience; making Communities as central as friends in Facebook; making commerce thrive in Instagram; and developing the technology that will shape next-generation platforms. Check out videos of today’s F8 keynote address and several of the technical sessions below. This post…

Brain connectivity issues found in children who have experienced prenatal alcohol exposure — ScienceDaily

An international group of researchers has taken one of the first major steps in finding the biological changes in the brain that drive fetal alcohol spectrum disorder (FASD). New work using chaos theory to analyze brain signals, discussed this month in the journal Chaos, from AIP Publishing, shows the long-term effects. Researchers found that teenagers who were exposed to alcohol while in the womb showed altered brain connections that were consistent with impaired cognitive performance. Their findings were reached by…