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Category: Mechanical Engineering

Digitization in motor vehicle manufacturing

A variety of options in motor vehicle manufacturing: Outwardly, many parts are virtually indistinguishable to workers. Credit: Fraunhofer IFF, Andreas Süss Pressure to optimize is intense on the floors of motor vehicle manufacturers’ factories: Variance is steadily increasing. Costs have to be contained. Fraunhofer researchers are now using RFID technology to introduce more transparency in motor vehicle manufacturers’ supply chains and manufacturing operations. This reduces time and labor, thus boosting cost effectiveness. Anyone who has ever ordered a new car…

The History of Stock Quotes

In honor of all the fervor around Bitcoin, we thought it would be fun to revisit the role finance has had in the history of technology even before the Internet came around. This was adapted from a post which originally appeared on the Eager blog. On 10th of April 1814, almost one hundred thousand troops fought the battle of Toulouse in Southern France. The war had ended on April 6th. Messengers delivering news of Napoleon Is abdication and the end…

New study visualizes motion of water molecules, promises new wave of electronic devices — ScienceDaily

A novel approach to studying the viscosity of water has revealed new insights about the behavior of water molecules and may open pathways for liquid-based electronics. A team of researchers led by the Department of Energy’s Oak Ridge National Laboratory used a high-resolution inelastic X-ray scattering technique to measure the strong bond involving a hydrogen atom sandwiched between two oxygen atoms. This hydrogen bond is a quantum-mechanical phenomenon responsible for various properties of water, including viscosity, which determines a liquid’s…

Preterm infants have narrowed upper airways, which may explain higher obstructive sleep apnea risk — ScienceDaily

Infants born preterm have significantly lower nasopharyngeal and oropharyngeal volumes, compared with newborn peers carried to full term, and those lower airway volumes are independent of the infants’ gender, ethnicity or weight, according to a study published online Dec. 16, 2017 in Clinical Imaging. According to the Centers for Disease Control and Prevention, 1 in 10 babies born in the United States is preterm, or born prior to the 37th gestational week. Premature birth leaves these children more susceptible to…

2017 Highlights from Uber Open Source

Since the beginning, Uber has relied on open source technologies to build reliable, production-hardened systems that can grow at scale. In this spirit, Uber Engineering has given back several technologies to the open source community, ranging from a data visualization framework and an iOS contacts library, to a signature rendering tool and even a new programming language.   As we ring in the New Year, let us revisit some of our most popular open source projects from 2017:    …

2017 Highlights from the Uber Engineering Blog

This year, the Uber Engineering Blog has shared several of the ways in which our technologies have improved user experiences across our services. From (most recently) welcoming the era of deep neuroevolution and unifying mobile onboarding experiences, to open sourcing a streaming analytics platform and launching new features that celebrate drivers, our team has been busy! As we gear up for the New Year, let us revisit some of our editor’s picks from 2017:     Meet Michelangelo: Uber’s Machine…

Venice Hybrid: Doing Lambda Better

Over the last two years at LinkedIn, I’ve been working on a distributed key-value database called “Venice.” Venice is designed to be a significant improvement to Voldemort Read-Only for serving derived data. In late 2016, Venice started serving production traffic for batch use cases that were very similar to the existing uses of Voldemort Read-Only. In the time since then, we’ve built out the rest of the functionality to complete the dream that motivated the construction of Venice: the ability…

Sandia computer modeling aids solder reliability in nuclear weapons

Materials scientist Paul Vianco peers through an experimental setup of printed wiring assemblies used to validate modeling in a Sandia National Laboratories project to study solder failure. Vianco said computational modeling of solder joint fatigue is critical to Sandia’s role in life extension programs for nuclear weapons. Credit: Randy Montoya Solder isn’t the first thing that comes to mind as essential to a nuclear weapon. But since weapons contain hundreds of thousands of solder joints, each potentially a point of…

Welcoming the Era of Deep Neuroevolution

By Kenneth O. Stanley & Jeff Clune On behalf of an Uber AI Labs team that also includes Joel Lehman, Jay Chen, Edoardo Conti, Vashisht Madhavan, Felipe Petroski Such, & Xingwen Zhang. In the field of deep learning, deep neural networks (DNNs) with many layers and millions of connections are now trained routinely through stochastic gradient descent (SGD). Many assume that the ability of SGD to efficiently compute gradients is essential to this capability. However, we are releasing a suite…

Drug discovery could accelerate hugely with machine learning

Drug discovery could be significantly accelerated thanks to a new high precision machine-learning model, developed by an international collaboration of researchers, including the University of Warwick. The algorithm – partly devised by Dr James Kermode from Warwick’s School of Engineering – can accurately predict the interactions between a protein and a drug molecule based on a handful of reference experiments or simulations. Using just a few training references, it can predict whether or not a candidate drug molecule will…