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Category: Civil Engineering

Manas Realtime — Enabling changes to be searchable in a blink of an eye | by Pinterest Engineering | Pinterest Engineering Blog | Jan, 2021

Michael Mi | Tech Lead, Core Product Serving Infra Manas, Pinterest’s in-house search engine, is a generic information retrieval platform. As we discussed in our previous post, Manas was designed as a search framework with high performance, availability, and scalability. Today, Manas powers search for the majority of Pinterest products, including Ads, Search, Homefeed, Related Pins, Visual, and Shopping. One of the key metrics for a search system is the indexing latency, which is the time taken to update the…

Manas Realtime — Enabling changes to be searchable in a blink of an eye

Manas Realtime — Enabling changes to be searchable in a blink of an eye Michael Mi | Tech Lead, Core Product Serving Infra Manas, Pinterest’s in-house search engine, is a generic information retrieval platform. As we discussed in our previous post, Manas was designed as a search framework with high performance, availability, and scalability. Today, Manas powers search for the majority of Pinterest products, including Ads, Search, Homefeed, Related Pins, Visual, and Shopping. One of the key metrics for a search system is the…

Are robot-made ‘printed’ buildings a solution to Bay Area housing crisis?

Credit: Mighty Buildings In a cavernous warehouse near the Oakland Coliseum, a 3-D printer extrudes a secret blend of minerals and plastic polymer that’s hardened into a heavy stone-like form under ultraviolet light. The end result of that alchemy? A move-in-ready, robot-made modular home from technology startup Mighty Buildings. Backed by $30 million in venture capital, Mighty Buildings is following a classic Bay Area startup recipe: use technology to address a big problem and—it hopes—disrupt an existing industry. The company…

Creating an Engineering Vision. In this blog post, we share how we… | by Mustafa Furniturewala | Coursera Engineering | Jan, 2021

As a company scales to more people and more technology, it becomes important to have an engineering vision and a strategy to get there. In our experience, as you get to a size of greater than ~40 folks in an engineering organization, it becomes critical to have an engineering vision. This helps teams make good local decisions that take them toward the larger goal and vision that the company shares. A great vision helps the organization move toward a common…

Speed Bumps on the Road to Delivering COVID Vaccines

Editors Note: Over the course of this week, Machine Design will be sharing a series of articles addressing the development and distribution of the COVID-19 vaccine—and the obstacles surmounted along the way. Be sure to check out the other installments below:   It ends at the point of a needle, but the COVID-19 vaccine’s long journey from manufacturing plants to a world of patients waiting for its protection is anything but that precise. It has required the merger of existing…

System that adapts the temperature and lighting in a building according to the climate

Research Group on Automatic Control, Robotics and Mechatronics, University of Almería/ Fundación Descubre. Credit: Fundación Descubre A research team from the University of Almeria has designed an automatic software program that predicts the right temperature for the users of a building and adapts it to their activity in a specific room. The prototype works with a mathematical model that adjusts the heat according to variables such as the outside climate -to obtain an energy saving of 11%- and the thermal…

Retro Radio Reigns | Electronic Design

For those of you who do not know or remember, Heath Company was the largest kit company in the world. Heath designed and put practically every type of electronic product into kit form. Its products, called Heathkits, were exceptionally popular and many are still in use today. Over the years, Electronic Design has published many Heathkit-related articles and blogs. Recently, I had a chance to talk with Chas Gilmore, who was a Heath executive. For those of you who fondly…

How to Control Color of LED Stage and Architectural Lighting

>> Electronic Design Resources.. >> Library: Article Series.. .. >> Topic: Power Management .. .. .. >> Series: Driving LED Designs Download this article in PDF format. What you’ll learn: Two ways to drive and dim RGBW LEDs. How a dual buck LED–driver architecture with I2C control can drive multiple LEDs or strings of LEDs with high current and high bandwidth. What went into ADI’s demo circuit that includes a GUI for testing the serial communications to an LT3964 LED…

Power Management Products of the Week (1/3 – 1/9)

>> Electronic Design Resources.. >> Library: Article Series.. .. >> Topic: Power Management .. .. .. >> Series: Driving LED Designs Download this article in PDF format. What you’ll learn: Two ways to drive and dim RGBW LEDs. How a dual buck LED–driver architecture with I2C control can drive multiple LEDs or strings of LEDs with high current and high bandwidth. What went into ADI’s demo circuit that includes a GUI for testing the serial communications to an LT3964 LED…

2020 Year in review: Connectivity, faster apps, etc.

It goes without saying that 2020 has been a challenging year, to put it lightly. But if anything, the COVID-19 pandemic has shined a light on our need to connect as people. For Facebook, that meant our work has become more important than ever. Whether it was finding new and innovative ways to expand internet connectivity, releasing new tools for engineers and developers, or lowering our greenhouse gas emissions and staying on track toward achieving 100 percent renewable power, we’re…