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Engineering News

Model to show how bacteria grow in plumbing systems — ScienceDaily

Bacteria in tap water can multiply when a faucet isn’t used for a few days, such as when a house is vacant over a week’s vacation, a new study from University of Illinois engineers found. The study suggests a new method to show how microbial communities, including those responsible for illnesses like Legionnaires’ disease, may assemble inside the plumbing systems of homes and public buildings. The findings are published in Nature’s ISME Journal: Multidisciplinary Journal of Microbial Ecology. Fresh tap…

Three more US data centers! Jacksonville, Memphis and Tallahassee

Good things come in threes! Following the launch of three data centers each in the Baltics (Riga, Tallinn, Vilnius) and in the Canadian Prairies (Calgary, Saskatoon, Winnipeg), we’re thrilled to announce three new data centers in the Southern United States! Located in Jacksonville (Florida), Memphis (Tennessee), and Tallahassee (Florida), they represent the 146th, 147th and 148th cities across our growing global network, and our 40th, 41st and 42nd cities just in North America. They join existing Cloudflare facilities in the…

Cloudflare Arrives in the Canadian Prairies! Welcome Calgary, Saskatoon and Winnipeg

We just turned up Calgary, Saskatoon and Winnipeg – Cloudflare’s 143rd, 144th, and 145th data centers. This brings our Canadian presence to six cities, joining Toronto, Montreal and Vancouver. I grew up just outside of Saskatoon, so I couldn’t be happier that Cloudflare’s network has expanded to the Canadian Prairies. My parents still live there and I just booked flights to go and visit them this summer. When I tell people that I grew up in Saskatchewan, most people don’t…

A Look Behind the AI that Powers LinkedIn’s Feed: Sifting through Billions of Conversations to Create Personalized News Feeds for Hundreds of Millions of Members

Co-authors: Tim Jurka and Pete Davies Overview At LinkedIn, our mission is to connect the world’s professionals to make them more productive and successful. The LinkedIn Feed stands at the center of this global professional community: a place for our members to discover and join the conversations that are happening among their connections, taking place within their groups, and ignited by the Influencers and companies they’re following. Our members post ideas, career news, questions, jobs, and suggestions in an array…

Launching three new European Cloudflare data centers

Cloudflare announces the turn up of our newest data centers located in Riga (Latvia), Tallinn (Estonia) and Vilnius (Lithuania). They represent the 140th, 141st and 142nd cities across our growing global network, and our 37th, 38th, 39th cities in Europe. We are very excited to help improve the security and performance of over 7 million Internet properties across 72 countries including the Baltic states. We will be interconnecting with local networks over multiple Internet exchanges: Baltic Internet Exchange (BALT-IX), Lithuanian…

A bridge so far: China’s controversial megaproject

A bridge to somewhere: The project linking Hong Kong, Macau and mainland china is 55 kilometres long and contains enough steel to build 60 Eiffel Towers Touted as an engineering wonder, the world’s longest sea bridge, which connects Hong Kong, Macau and mainland China, includes a snaking road crossing and an underwater tunnel and reportedly uses enough steel to build 60 Eiffel Towers. Nine years after construction began on the 55-kilometre (34-mile) crossing, a preview organised by the Chinese government…

Top 10 Perks Of Certified Ethical Hacker – CEH V9 Certification

CEH stands for Certified Ethical Hacker and this course is meant to train you about the advanced methodologies one by one that are used by the hackers in the real world. These include activities like writing virus codes and exploit writing plus reverse engineering. The knowledge on the same helps you to protect your corporate infrastructure in a much better way on daily basis against any sort of data breaches. You will be able to master the advanced network packet…

Software technology that simulates LED devices for rapid development of light sources

A Purdue-affiliated company is developing a new time and cost effective software technology that could offer a more efficient and realistic way to model and simulate light emitting diodes (LEDs) in order to achieve more powerful and more efficient LED light sources often used in general lighting, automobile lighting and consumer electronics. Tillmann Kubis, a research assistant professor, and Gerhard Klimeck, a professor, both in Purdue’s School of Electrical and Computer Engineering, in Purdue’s Network for Computational Nanotechnology and Purdue’s…

eBPF, Sockets, Hop Distance and manually writing eBPF assembly

A friend gave me an interesting task: extract IP TTL values from TCP connections established by a userspace program. This seemingly simple task quickly exploded into an epic Linux system programming hack. The result code is grossly over engineered, but boy, did we learn plenty in the process! CC BY-SA 2.0 image by Paul Miller Context You may wonder why she wanted to inspect the TTL packet field (formally known as “IP Time To Live (TTL)” in IPv4, or “Hop…

A next-generation non-hormonal contraceptive for women is being developed in Sweden — ScienceDaily

A hormone-free women’s contraceptive with no side effects is one promising use for a new technique developed by researchers in Sweden to tighten up the mucous membrane – the body’s first line of defense in protecting its inner lining. The approach consists of cross-linking the mucus gel with chitosan, a type of polysaccharide derived from chitin, the substance that develops in the hard outer shells of crustaceans such as shrimp and crayfish. The material tightens the mucin polymer mesh barrier which…