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Category: Mechanical Engineering

A New Horizon for Manufacturing

I think it’s our nature to get caught looking to the future. It seems sometimes that what is happening at this moment in time is the way it always will be, and that the prospects of the future look too intimidating and complicated to be possible. That’s why it’s often helpful to look back. I think it’s important to have a perspective on how far we’ve come to get to today. It makes what’s coming next seem more possible. Some…

A look back at 2019

Last year was a busy one for our open source engineers. In 2019 we released 170 new open source projects, bringing our portfolio to a total of 579 active repositories. While it’s important for our internal engineers to contribute to these projects (and they certainly do — with more than 82,000 commits this year), we are also incredibly grateful for the massive support from external contributors. Approximately 2,500 external contributors committed more than 32,000 changes. In addition to these contributions,…

Linear Guides for Cleanrooms | Machine Design

Cleanrooms play an essential role in contamination-sensitive applications such as semiconductor fabrication, pharmaceuticals, optics, medical devices/life sciences, and many more. Cleanrooms control the number of particulates in the air (such as dust, microbes, and aerosols) to avoid compromising cleanroom processes and  products made there. Standards for these enclosures are tight, especially for motion systems used in them. But following a few basic techniques lets designers use linear motion devices while maintaining an appropriately clean environment. Cleanrooms are classed according to…

Open Sourcing Manifold, a Visual Debugging Tool for Machine Learning

In January 2019, Uber introduced Manifold, a model-agnostic visual debugging tool for machine learning that we use to identify issues in our ML models. To give other ML practitioners the benefits of this tool, today we are excited to announce that we have released Manifold as an open source project.   Manifold helps engineers and scientists identify performance issues across ML data slices and models, and diagnose their root causes by surfacing feature distribution differences between subsets of data. At Uber,…

Advanced EMI Filters Cut Costs on Brush DC Motors

Arc flashes present a serious hazard involving electrical equipment that is more common than many would believe. Due to OSHA’s reporting requirements for arc flashes, they are underreported or not reported at all. No one is certain how frequently they occur, but some sources estimate there are five to 10 electrical equipment explosions (aka arc flashes) each day in the U.S. Most reports on electrical-related injuries focus on shock and electrocution, rather than arc flashes in which explosive forces, heat,…

Are Self-Driving Cars More Dangerous?

Around midnight Sunday, Dec. 29, 2019, the driver of a Honda Civic headed northbound on Vermont Avenue in Gardena, California was making a left turn from Vermont onto Artesia Boulevard.  The traffic light at the intersection was red for westbound traffic on Artesia, and the intersection happened to be the western end of the Gardena Freeway, where it becomes a surface road.  At that moment, a Tesla Model S zoomed off the freeway westbound through the red light and crashed…

Regeneron Sponsors International Science and Engineering Fair

The Intel International Science and Engineering Fair (ISEF) is no more. ISEF is now known as the Regeneron International Science and Engineering Fair (Fig. 1). Regeneron Pharmaceuticals, the named sponsor for ISEF, had earlier picked up the mantel of the Science Talent Search (STS), which was also an Intel-sponsored competition. Intel supported these competitions for over 20 years. 1. This is the new logo for the Regeneron International Science and Engineering Fair. The Society for Science and the Public (SSP)…

Marrying theoretical work with experiments and high-tech imaging techniques, atmospheric chemists Chongqin Zhu and Joseph S. Francisco of the University of Pennsylvania and colleagues have identified a new way that ice grows in two dimensions — ScienceDaily

On frigid days, water vapor in the air can transform directly into solid ice, depositing a thin layer on surfaces such as a windowpane or car windshield. Though commonplace, this process is one that has kept physicists and chemists busy figuring out the details for decades. In a new Nature paper, an international team of scientists describe the first-ever visualization of the atomic structure of two-dimensional ice as it formed. Insights from the findings, which were driven by computer simulations…