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Engineering News

58 Insane Facts About Bitcoin [Infographic]

Bitcoin, the virtual currency created back in 2009, uses Blockchain technology for secure payments and storing money, not requiring a bank or people’s name. A comparison can be made between Bitcoin and the internet, as the internet allows free circulation of information, the same way this currency liberates money. Bitcoin is not under the control of any government or private company. Accordingly, people are free from paying transaction fees. Bitcoin allows anonymous transactions as all you need is simply your…

Nevada quake lab tests new bridge design after Mexico quake

Researchers and invited dignitaries watch gathered at the University of Nevada, Reno’s new Earthquake Engineering Laboratory in Reno, Nev., on Wednesday, Sept. 20, 2017, before a series of tests on new bridge designs intended to better withstand violent temblors. Scientists say the 100-ton, 70-foot-long concrete bridge subjected to violent motions on a giant ”shake table” held up better than expected using new innovations to connect prefabricated pieces with ultra-high performance concrete and could prove pivotal in earthquake-prone places like Mexico…

Serving Top Comments in Professional Social Networks

For the purposes of comment relevance, we needed a serving subsystem that could satisfy the following requirements: A system with an index that is able to retrieve all comments on a comment thread (quickly). Fast access to the list of joined features for each comment on the thread. The ability to service thousands of QPS at scale and produce relevant comments for each request on the feed. While (1) and (2) are easy tasks, it’s (3) that drives the design.…

Nevada experiment mimics earthquakes to test bridge designs

A day after a deadly earthquake struck Mexico City, University of Nevada scientists will mimic quakes to test new bridge designs developed to help the structures better withstand violent temblors. The engineers on Wednesday will rattle a 100-ton, 70-foot (21-meter) bridge model to see how it holds up on a giant contraption in a Reno seismology lab called a “shake table.” Some design work by the engineers has been incorporated into a highway off-ramp under construction in Seattle. It…

Screaming Circuits: Last Minute DFM

Learn about last minute DFM, and enter to win… In a prototype world, with competition breathing down your neck, you need everything to work, work fast, and work the first time. Sit in on my “Last Minute DFM” class to see what you can do to ensure your designs can get built with minimal chance of delay. October 4th, I’ll will be speaking at the NEDME (NW Electronics Design & Manufacturing Expo) on last minute DFM, at Tektronix, in Beaverton,…

Updates on the Dropbox Bug Bounty Program

We first launched our bug bounty program in 2014, with initial bounties for critical bugs in the range of $5,000, ramping up to (currently) over $10,000 for critical bugs. Over the past three years, leading security researchers from around the world have participated in our programs with some amazing, often original research. Beyond just the individual bugs, we have learned many a lesson, uncovering unique, interesting threats, exploit vectors, and new research as well as rejigged our priorities based on…

My Site Reliability Engineering Internship Experience with Uber

Mitali Palekar was a summer 2017 intern on Uber’s Site Reliability Engineering (SRE) team. In this article, she discusses her internship experience and shares lessons learned from her time here. Internships can be intimidating, especially when they are at one of the most well-known companies in technology.  Mitali Palekar interned with Uber’s Site Reliability Engineering team in summer 2017. As a rising junior pursuing a degree in computer science, my internship at Uber represented the realization of a long-term goal. Aspiring…

Innovative fuel manufacturing process moves closer to market

First steps toward the additive manufacturing of U3Si2 fuel. Credit: Idaho National Laboratory INL researchers are working with industry partners on an innovative method of producing advanced nuclear fuels that improve the attractiveness of new nuclear plants as reliable, emission-free baseload energy. As part of a DOE accelerated technology commercialization project, INL’s Dr. Isabella Van Rooyen and Dr. Clemente Parga worked with Westinghouse’s Ed Lahoda to develop an innovative process for producing uranium silicide (U3Si2) fuel for advanced reactors. …

A way to help Mexico Earthquake victims

             Photo Credit: United Nations Photo (Flickr) On September 19, 1985 Mexico City was hit with the most damaging earthquake in its history. Yesterday -exactly 32 years later- Mexico's capital and neighboring areas were hit again by a large earthquake that caused significant damage. While the scale of the destruction is still being assessed, countless people passed away and the lives of many have been disrupted. Today, many heroes are on the streets focusing on recovery and relief. We at…

3-D printers—a revolutionary frontier for medicine

Surgeons at the University of Saskatchewan use a 3D printed human brain to plan complex neurosurgical procedures for patients with movement disorders. Mission control on earth receives an urgent communication from Mars that an astronaut has fractured his shinbone. Using a handheld scanning device, the crew takes images of his damaged tibia and transmits them to earth. Orthopedic surgeons then use a 3-D printer to create an exact replica of the astronaut’s leg from medical imaging files obtained before the…