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Category: Mechanical Engineering

Profits, doubts in equal measure at Geneva Motor Show

Luxury carmakers will show off their wares at the Geneva Motor Show – but healthy profits cannot fully ease concerns over the future as the trend to electric and self-driving cars accelerates This year’s Geneva Motor Show comes at a curious time for an auto world enjoying record profits yet also gripped by doubt midway through the grand transition from diesel to electric and self-driving vehicles. “Geneva really ought to have been a lovely salon,” says, with heavy irony, Ferdinand…

A power boost for mobile technologies

Imagine you are shopping on your iPad for a new merino wool sweater for the winter, and when you visit a retail site, you can not only see countless views of your prospective purchase but you can reach out and feel the texture of the fabric. Or more consequentially: you are a physician performing an operation remotely using a telemedicine application, and you can virtually feel the patient upon whom you are operating. In the endless quest to create the…

Air Traffic Controller: Member-First Notifications at LinkedIn

Steps a notification goes through in ATC   Request decorationOne of the first steps in the ATC process is getting the metadata needed to make a notification decision. This metadata may include the member’s historical notification profile, the devices they have the LinkedIn app installed on, and their notification settings. ATC gets this information from multiple local stores (RocksDB) and from external services. ATC will also log the current notification request to help continue to build the member’s historical notification…

Researchers use recycled carbon fiber to improve permeable pavement

Water runs through Washington State University pervious pavement. Credit: Washington State University A Washington State University research team is solving a high-tech waste problem while addressing the environmental challenge of stormwater run-off. The researchers have shown they can greatly strengthen permeable pavements by adding waste carbon fiber composite material. Their recycling method, described in the March issue of the Journal of Materials in Civil Engineering, doesn’t require using much energy or chemicals—a critical factor for recycling waste materials. Traditional…

A Chat with Uber’s Sumbry

What do Site Reliability Engineering (SRE) and mentorship have in common? According to Uber SRE manager Sumbry, both areas focus on growth. At Uber, Sumbry balances his time between ensuring that our systems grow reliably at scale and volunteering with UberHUE, the company’s black employee resource group. Like engineering extensible systems, he says, mentoring group members also leads to growth and development, but in the context of their careers. We sat down with Sumbry to discuss how he got into SRE,…

Cosmic space invaders or victims of galactic eviction? — ScienceDaily

An international team of astronomers led by the Max Planck Institute for Astronomy (MPIA) has made a surprising discovery about the birthplace of groups of stars located in the halo of our Milky Way galaxy. These halo stars are grouped together in giant structures that orbit the center of our galaxy, above and below the flat disk of the Milky Way. Researchers thought they may have formed from debris left behind by smaller galaxies that invaded the Milky Way in…

Engineering Ethics Blog: Sorting Souls with fMRI

In the March issue of Scientific American, brain-imaging expert John Gabrieli says that we can now use functional magnetic-resonance-imaging (fMRI) technology to predict whether depressed patients will benefit from certain therapies, whether smokers will be able to quit, and whether criminals will land back in jail soon.  But he leaves unanswered some questions he raises—namely, if we find that we can reliably obtain this kind of information, what should we do with it? First, a brief explanation of what fMRI…

Global connectivity: Working together to bring more people online | Engineering Blog | Facebook Code

Connectivity is at the heart of Facebook’s mission to bring the world closer together. High-quality internet access enables richer communications and creates new opportunities to share knowledge and strengthen communities and economies. No single organization can connect the world alone. Today at Mobile World Congress, Facebook is announcing a number of new initiatives with partners to upgrade existing networks for the future, build new networks in under-connected regions, and leverage new technologies, tools, and programs to bring more people online.…

USB Network Gate – Access & Share USB Devices Over Network

Wouldn’t it be great if you can share the plugged in USB device from your computer to other computers over a network? In addition, have you thought of remotely accessing a USB device connected to other computers over the network? Well, Eltima USB Network Gate is one such application that lets one manage and access any USB device plugged into a remote machine or allows you to share your USB data to other computers on the network. This lets you…

Intravenous devices known as PICCs should be reserved for long-term use, but a new study shows 1 in 4 are used for 5 days or less — ScienceDaily

Many hospital patients get medicine or nutrition delivered straight into their bloodstream through a tiny device called a PICC. In just a decade, it’s become the go-to device for intravenous care. But a new study finds that one in every four times a PICC gets inserted, the patient didn’t need it long enough to justify the risks that it can also pose. In fact, in just the five days or less that they had a PICC implanted in their vein,…