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Category: Electronics Engineering

Encrypt that SNI: Firefox edition

A couple of weeks ago we announced support for the encrypted Server Name Indication (SNI) TLS extension (ESNI for short). As promised, our friends at Mozilla landed support for ESNI in Firefox Nightly, so you can now browse Cloudflare websites without leaking the plaintext SNI TLS extension to on-path observers (ISPs, coffee-shop owners, firewalls, …). Today we’ll show you how to enable it and how to get full marks on our Browsing Experience Security Check. Here comes the night The…

Portable “tricorder” scans life signs

Credit: Engineering and Physical Sciences Research Council Scientists from the School of Engineering at the University of Glasgow have developed a handheld device for taking medical readings from patients, and transferring the data to a smartphone. The device, which combines a handheld sensor and an app running on an Android smartphone or tablet, was partly inspired by the “tricorder” portable scanning/data-capture machine, used by crewmembers of starships in the fictional “Star Trek” universe. The sensor works by using a…

Staying a step ahead of the game — ScienceDaily

Unicellular parasites belonging to the genus Trypanosoma cause sleeping sickness in humans. Sleeping sickness is a debilitating and potentially lethal disease in Sub-Saharan Africa, which is transmitted by the tsetse fly. Professor Nicolai Siegel, who heads a research group in molecular parasitology at LMU, uses trypanosomes as an experimental model system to study the incessant ‘arms race’ between parasites and their hosts: As the host immune system evolves ways of fighting parasitic infections, parasites continually develop strategies to outwit these…

A Fast Python Package for Uplift Modeling – Wayfair Tech Blog

Uplift models seek to predict the incremental value attained in response to a treatment. For example, if we want to know the value of showing an advertisement to someone, typical response models will only tell us that a person is likely to purchase after being given an advertisement, though they may have been likely to purchase already. Uplift models will predict how much more likely they are to purchase after being shown the ad. The most scalable uplift modeling packages…

Largest galaxy proto-supercluster found — ScienceDaily

An international team of astronomers has discovered a titanic structure in the early Universe, just two billion years after the Big Bang. This galaxy proto-supercluster, nicknamed Hyperion, is the largest and most massive structure yet found at such a remote time and distance. The team that made the discovery was led by Olga Cucciati of Istituto Nazionale di Astrofisica (INAF) Bologna, Italy and project scientist Brian Lemaux in the Department of Physics, College of Letters and Science at the University…

Timing web requests with cURL and Chrome

Photo by Aron / Unsplash When considering website performance, the term TTFB – time to first byte – crops up regularly. Often we see measurements from cURL and Chrome, and this article will show what timings those tools can produce, including time to first byte, and discuss whether this is the measurement you are really looking for. Timing with cURL cURL is an excellent tool for debugging web requests, and it includes the ability to take timing measurements. Let’s take…

Spreading the Love in the LinkedIn Feed with Creator-Side Optimization

Four methods used to measure network impact.  Results: This story has a happy ending It turns out that the new feed model exceeded our expectations. We worried that we might see some declines in feed engagement that we would have to weigh against the benefits we were bringing to creators, but actually, this feature turned out to be win-win for both creators and feed viewers. Members like seeing more content from people they know! Of course, prioritizing posts from close…

A pair of Mizzou Engineering students get Lost in the Sauce

Lost in the Sauce is located in the MU Student Center as part of the Unions Entrepreneurial Program that helps students start their own companies. Photos by Danielle DuClos. Jack Schroder was just a Mechanical and Aerospace student trying to get his required courses done and out of the way. So he decided why not go to Ireland to do just that? After convincing his roommate, Rob Enyard, to come along, it was in the coastal town of Portmagee that…

Uber Expands Advanced Visualization Ecosystem with Mapbox Integration

By Xiaoji Chen Uber’s vis.gl suite gives users the tools to map mobility trends and take the pulse of a city with data visualization. To expand this charter, we are partnering with Mapbox, enhancing our data visualization tools and growing our open source community. Released today, Mapbox v0.50 enables the integration of third-party layers into the same WebGL context in deck.gl. This addition to our partner ecosystem will allow deck.gl users to better leverage our libraries for a wide set…

From Data to Action With Airbnb Plus – Airbnb Engineering & Data Science – Medium

The story of how Data Science interns at Airbnb spend their summer Internships are some of the most powerful experiences a student can have during college. Very few opportunities allow you to learn and grow so much in 12 short weeks. On top of that, taking on an internship helps with making connections, improving teamwork, and learning how to navigate organizations. This summer, I was a Data Science (DS) intern on the new Airbnb Plus team — I had fantastic role models,…