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Engineering News

Discovery clears way for human body to work as robust communication network for electronic devices

Smart wearable devices allow for the exchange of information using the human body as a robust communication medium for networking electronic devices. In this photo, a researcher wears devices that allow for the exchange of information using the body to communicate instead of sending a signal through the airwaves that could be hacked. Credit: Purdue University A group of Purdue University researchers have discovered a new way to use the human body as a robust communication medium for networking electronic…

Storing customer card information securely using Point of Sale API.

You can use Square’s Point of Sale API to save payment information to a customer profile directly from the Square Point of Sale app. Once a card is stored, you can use the Transaction API to charge this card in the future, unlocking fast remote billing and a better experience for your customers. Turn on Card on File You can enable Card on File right from the Square Point of Sale app: Open the Square app and tap on the menu…

How to Make Your Web App More Reliable and…

By Murali Krishna Bachhu, Anurag Damle, and Utkarsh Shrivastava As engineers on the Yahoo Mail team at Oath, we pride ourselves on the things that matter most to developers: faster development cycles, more reliability, and better performance. Users don’t necessarily see these elements, but they certainly feel the difference they make when significant improvements are made. Recently, we were able to upgrade all three of these areas at scale by adopting webpack® as Yahoo Mail’s underlying module bundler, and you…

2017 Year in review: Building immersive experiences | Engineering Blog | Facebook Code

This week we’re publishing a series of posts looking back at the technologies and advancements Facebook engineers introduced in 2017. Our previous installments focused on data centers and connectivity. We know that many people find communities on Facebook based on common geography, interests, or causes they care about. One way that Facebook is helping people build these connections is by breaking down language barriers with machine translation. Providing fast, fluent translations is a complex challenge. People use dozens of languages…

Balancing open source and proprietary IP—they can co-exist

Open source software can provide significant benefits to an organization—it can decrease product development time, distribute development across a community, and attract developers to your organization. It’s because of these benefits that we at Dropbox love open source. However, some organizations shy away from it due to perceived risks and fears around lost intellectual property (IP) rights. You’re not alone if you’re worried that once you’ve incorporated open source into your products or open sourced your own code that you’ve…

Vehicles could get ‘nerves’ that sense damage with new research

Oliver Myers (right) and mechanical engineering master’s student Brandon Williams work with some of the smart material they are developing at Clemson University. Credit: Clemson University Helicopters, tanks and other vehicles could someday be made of “smart material” that senses damage, similar to how nerves tell the body it has been injured, with the help of new research based at Clemson University and funded by the U.S. Army Research Laboratory. The idea is that magnetically sensitive material would be embedded…

Five traps to avoid when changing from hand assembly to machine assembly

In the past, it was usually pretty easy to find chips in both surface mount and thru-hole packages. Somewhere in the last decade or so, component manufacturers stopped introducing thru-hole versions of their newest chips as standard practice. In many cases, new components can only be found in tiny QFN (quad flatpack, no leads), or wafer scale BGA (ball grid array) packages. The maker community, never shying away from a good hack, found ways to work with many of these…

Humans can feel molecular differences between nearly identical surfaces

Credit: CC0 Public Domain How sensitive is the human sense of touch? Sensitive enough to feel the difference between surfaces that differ by just a single layer of molecules, a team of researchers at the University of California San Diego has shown. “This is the greatest tactile sensitivity that has ever been shown in humans,” said Darren Lipomi, a professor of nanoengineering and member of the Center for Wearable Sensors at the UC San Diego Jacobs School of Engineering, who…

The Curious Case of Caching CSRF Tokens

It is now commonly accepted as fact that web performance is critical for business. Slower sites can affect conversion rates on e-commerce stores, they can affect your sign-up rate on your SaaS service and lower the readership of your content. In the run-up to Thanksgiving and Black Friday, e-commerce sites turned to services like Cloudflare to help optimise their performance and withstand the traffic spikes of the shopping season. In preparation, an e-commerce customer joined Cloudflare on the 9th November,…

onCreate()-ing Kickstarter’s Android app – Kickstarter Engineering

Once upon a time, Kickstarter existed on the web and iOS. Creators and backers rejoiced! But as our creative community blossomed, Android users were left in the dust. “Why is there still no Android app?” they said, “Kickstarter should run a Kickstarter to build an Android app!” they said. Finally on January 21, 2016, six years after the launch of Kickstarter.com and three years after the iOS release, Kickstarter for Android 1.0 entered the Play Store. We’d like to share…