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Category: Mechanical Engineering

Feature spotlight: Advancing language settings for content on LinkedIn

Maryia can now refresh her feed and read Savannah’s post in Ukrainian instead, along with any other posts in languages she has yet to master. She can also comment in her native language, and feel confident that Savannah and the rest of their network will be offered a translation into the language of their choosing as well. Method The original translation rating module allowed members to send us feedback on the translation quality. This module has now been extended to…

Emerging engineer Melinda Groves spends summer at NASA

Senior Melinda Groves spent this past summer interning at one of the nation’s most iconic federal agencies: NASA. Working as a mechanical engineering intern, Groves was based at the NASA John Glenn Research Center in Cleveland, Ohio, as part of the Icing Research group. Senior Melinda Groves at the NASA Glenn Research Center in Cleveland, Ohio, where she worked as a mechanical engineering intern for the Icing Research group. There, Groves focused on researching how ice forms under different atmospheric…

Physicists simulate critical ‘reheating’ period that kickstarted the Big Bang in the universe’s first fractions of a second — ScienceDaily

As the Big Bang theory goes, somewhere around 13.8 billion years ago the universe exploded into being, as an infinitely small, compact fireball of matter that cooled as it expanded, triggering reactions that cooked up the first stars and galaxies, and all the forms of matter that we see (and are) today. Just before the Big Bang launched the universe onto its ever-expanding course, physicists believe, there was another, more explosive phase of the early universe at play: cosmic inflation,…

Public keys are not enough for SSH security

If your organization uses SSH public keys, it’s entirely possible you have already mislaid one. There is a file sitting in a backup or on a former employee’s computer which grants the holder access to your infrastructure. If you share SSH keys between employees it’s likely only a few keys are enough to give an attacker access to your entire system. If you don’t share them, it’s likely your team has generated so many keys you long lost track of…

US corn yields get boost from a global warming ‘hole’ — ScienceDaily

The global average temperature has increased 1.4 degrees Fahrenheit over the last 100 years. In contrast, the Corn Belt of the U.S., one of the most agriculturally productive regions of the world, has experienced a decrease in temperatures in the summer during the growing season. Known as the “U.S. warming hole,” this anomalous cooling phenomenon, which occurred in tandem with increasing rainfall, was responsible for boosting corn yields by 5 to 10 percent per year, according to a Dartmouth-led study…

UC Santa Barbara/Google researchers demonstrate the power of 53 entangled qubits — ScienceDaily

Researchers in UC Santa Barbara/Google scientist John Martinis’ group have made good on their claim to quantum supremacy. Using 53 entangled quantum bits (“qubits”), their Sycamore computer has taken on — and solved — a problem considered intractable for classical computers. “A computation that would take 10,000 years on a classical supercomputer took 200 seconds on our quantum computer,” said Brooks Foxen, a graduate student researcher in the Martinis Group. “It is likely that the classical simulation time, currently estimated…

New research reveals possible applications of nickel, from data storage to biosensors — ScienceDaily

When scientists and engineers discover new ways to optimize existing materials, it paves the way for innovations that make everything from our phones and computers to our medical equipment smaller, faster, and more efficient. According to research published today by Nature Journal NPG Asia Materials, a group of researchers — led by Edwin Fohtung, an associate professor of materials science and engineering at Rensselaer Polytechnic Institute — have found a new way to optimize nickel by unlocking properties that could…

Simplifying web deploys – Pinterest Engineering Blog

Raúl Gutiérrez Segalés, Site Reliability Engineer, InfrastructureRon Viscuso, Software Engineer, Core ProductYongwen Xu, Software Engineer, Infrastructure Over the past six months, Pinterest has moved to a CI/CD model for our API and web layers, which has truly improved agility by reducing time between merge and production. Prior to the update, we had been deploying our web code in the same way for years, and it began showing its age. That mechanism is internally called A/B deploys and externally it’s referred…

Simplifying web deploys

Raúl Gutiérrez Segalés, Site Reliability Engineer, InfrastructureRon Viscuso, Software Engineer, Core ProductYongwen Xu, Software Engineer, Infrastructure Over the past six months, Pinterest has moved to a CI/CD model for our API and web layers, which has truly improved agility by reducing time between merge and production. Prior to the update, we had been deploying our web code in the same way for years, and it began showing its age. That mechanism is internally called A/B deploys and externally it’s referred…

How Dropbox Security builds tools for threat detection and incident response

The Dropbox Detection and Response Team (DART) detects and mitigates information security threats to our employees, infrastructure, and customer data. DART ingests security-relevant logs for building detection, threat hunting and responding to potential incidents. Our log volume is huge, averaging tens of terabytes a day. DART’s alerting and response pipeline uses Python and Jupyter notebooks to create new tools. The problem we’re solving Apart from building detections to track suspicious behavior and triaging incidents, we also spend large chunks of…