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Category: Mechanical Engineering

The behavior of coral reefs is simulated in order to optimize space in industrial plants

Credit: CC0 Public Domain Many factors must be kept in mind when designing a hospital, a factory, a shopping center or any industrial plant, and many questions can arise before deciding on the floor plans. What is the best placement for each different space? What distribution is the most appropriate in order to improve efficiency in these large areas? University of Cordoba researchers Laura García and Lorenzo Salas are trying to provide an answer to these questions, and to do…

Reimagining Developer Experience for the World of Serverless

This week we’ve talked about how Workers provides a step function improvement in the TTFB (time to first byte) of applications, by running lightweight isolates in over 200 cities around the world, free of cold starts. Today I’m going to talk about another metric, one that’s arguably even more important: TTFD, or time to first dopamine, and announce a huge improvement to the Workers development experience — wrangler dev, our edge-based development environment with all the perks of a local…

Pneumatics in Packaging: New Developments for Better Bottles

At a Glance: Many packaging companies are turning to systems that combine the stretch blow molding (SBM) process with the bottling process in a single production flow. Pneumatic technologies can solve PET challenges such as cost, reliability, recyclability and the need for flexible production and IIoT intelligence. Smart sensors for SBM machines issue alerts when the leakage rate exceeds a predetermined value, so leaks can be diagnosed early. Pneumatic technologies and products play a vital role in a wide range…

Researchers improving assistive technology for the visually impaired

A rendering of the Foresight wearable navigation aid. Credit: Foresight For the 285 million visually impaired people worldwide, assistive technology has come a long way since the white cane was popularized in the 1920s. Yet high-tech solutions to help these individuals navigate the world around them can often be intrusive, unintuitive, and expensive. A group of Harvard students has launched a startup called Foresight, a wearable navigation aid for the visually impaired that uses cutting-edge soft robotics and computer vision…

Leveraging Single-Pair Ethernet in Building Automation

Download this article in PDF format. Ethernet has become a mainstream communications protocol and sits atop the control pyramid in building automation. Recently, the Institute of Electrical and Electronics Engineers (IEEE) defined an Ethernet standard, IEEE 802.3.cg, for 10 Mb/s operation and associated power delivery over a single balanced pair of conductors. Because a single-pair cable can now support both data and power, adoption of the standard can lead to significant cost savings and easier installation in building automation applications.…

The Cloudflare Workers Security Model

Hello, I’m an engineer on the Workers team, and today I want to talk to you about security. Cloudflare is a security company, and the heart of Workers is, in my view, a security project. Running code written by third parties is always a scary proposition, and the primary concern of the Workers team is to make that safe. For a project like this, it is not enough to pass a security review and say “ok, we’re secure” and move…

Solving materials problems with a quantum computer — ScienceDaily

Quantum computers have enormous potential for calculations using novel algorithms and involving amounts of data far beyond the capacity of today’s supercomputers. While such computers have been built, they are still in their infancy and have limited applicability for solving complex problems in materials science and chemistry. For example, they only permit the simulation of the properties of a few atoms for materials research. Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory and the University of Chicago…

Zooming Towards Human Connection. How we launched Airbnb Online… | by Mojtaba Mehrara | Airbnb Engineering & Data Science | Jul, 2020

Creating human connection is the core of Airbnb’s mission. We launched Airbnb Experiences to encourage travelers to connect with locals and with each other through one-of-a-kind experiences that highlight the uniqueness of their destinations. We’ve since grown it to a community of hosts leading more than 50 thousand experiences across more than 1000 cities around the world. As the COVID-19 pandemic spread globally in early 2020, the Experiences team made the decision to proactively pause Experiences worldwide to keep our…

Digital Dev Boards Reach the Zenith of Sophistication and Application

Download this article in PDF format. Ethernet has become a mainstream communications protocol and sits atop the control pyramid in building automation. Recently, the Institute of Electrical and Electronics Engineers (IEEE) defined an Ethernet standard, IEEE 802.3.cg, for 10 Mb/s operation and associated power delivery over a single balanced pair of conductors. Because a single-pair cable can now support both data and power, adoption of the standard can lead to significant cost savings and easier installation in building automation applications.…

Standing for Safety: Meet the Uber Sao Paulo Tech Team

Located in the heart of Latin America’s largest city, the Uber Sao Paulo Tech Center was founded in late 2018 as a company-wide hub for Safety Tech. The team is composed of product managers, UX designers, engineers and data scientists. As part of Uber’s mission to put the safety of our users first, our Sao Paulo-based Tech team is responsible for improving our global processes and services to keep riders, drivers, eaters, and delivery-partners safe. Our teams in Sao Paulo…