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Category: Electronics Engineering

Researchers test 3-D-printed water quality sensor

Professor Mina Hoorfar, Director of UBC Okanagan’s School of Engineering. Credit: UBC Okanagan Researchers at UBC’s Okanagan campus have designed a tiny device —built using a 3D printer—that can monitor drinking water quality in real time and help protect against waterborne illness. Prof. Mina Hoorfar, Director of the School of Engineering, says new research proves their miniaturized water quality sensors are cheap to make, can operate continuously and can be deployed anywhere in the water distribution system. “Current water…

Surprise Lunch for Rattan Khosa

SURPRISE LUNCH FOR RATTAN GIVEN BY HIS TEAM AT AMSYSCOJust a few of the messages sent to Rattan L. Khosa after the EY Gala…“To us, you are a Winner!” – AMSYSCO Team ____________________________________________ Copyright © 2017 by AMSYSCO, Inc. All rights reserved. This entry was posted in AMSYSCO News and tagged Rattan Khosa. Bookmark the permalink. Source link…

Ninth Circuit Rules on National Security Letter Gag Orders

As we’ve previously discussed on this blog, Cloudflare has been challenging for years the constitutionality of the FBI’s use of national security letters (NSLs) to demand user data on a confidential basis. On Monday morning, a three-judge panel of the U.S. Ninth Circuit Court of Appeals released the latest decision in our lawsuit, and endorsed the use of gag orders that severely restrict a company’s disclosures related to NSLs. CC-BY 2.0 image by a200/a77Wells This is the latest chapter in…

Testosterone prescribing in VA varies by provider’s age, experience, specialty and region — ScienceDaily

Providers in the Veterans Health Administration (VA) system vary in their testosterone prescribing practices, according to a study published in the Endocrine Society’s Journal of Clinical Endocrinology & Metabolism. This is the first study to examine provider and site predictors of testosterone prescribing in the VA. There has been a large increase in testosterone prescribing in the United States over the past decade, and prescriptions increased substantially between 2009 and 2012. Some testosterone prescriptions have been made without appropriate baseline…

Making lab equipment on the cheap

A 3-D model of FlyPi (left) and the assembled FlyPi with single micromanipulator and light-emitting diode-ring module, diffusor, and Petri dish adapter mounted in the bottom (right). Credit: Tom Baden Laboratory equipment is one of the largest cost factors in neuroscience. However, many experiments can be performed with good results using self-assembled setups involving 3-D printed components and self-programmed electronics. In a study publishing July 18 in the open access journal PLOS Biology, André Maia Chagas and Tom Baden from…

Building Mixed-Language iOS Project with Buck – Airbnb Engineering & Data Science – Medium

Flag -import-underlying-module Does Not Work The-import-underlying-module build flag causes implicit imports of Objective-C files into Swift, within the same module. This flag unfortunately doesn’t work with Buck. When Xcode generates frameworks, it generates module.modulemap and .hmap header map files to indicate header locations. The swift tool later uses these files to import Objective-C headers. However, since Buck doesn’t generate independent frameworks, it doesn’t generate these files. Thus, the -import-underlying-module flag doesn’t work in the swift tool. This means that we have to…

Top Apps to Prepare for CAT MBA Exam at Home

Do you know that apps are so useful that they can’t be ignored in any vertical? It’s, CAT 2017 season again and students are already geared up aiming for top MBA colleges in India and mobile apps have been their buddies, mentors, and teachers. This year it had been of apps raining all around the Play Store to coach and prepare students for the big day. Let’s have a look at few of the CAT preparation apps trending this year.…

Team develops fast, cheap method to make supercapacitor electrodes for electric cars, high-powered lasers

Slice from x-ray computed tomography image of a supercapacitor coin cell assembled with the electrode materials. The thin layers — just below the coin cell lid — are layers of electrode materials and a separator. Credit: William Kuykendall Supercapacitors are an aptly named type of device that can store and deliver energy faster than conventional batteries. They are in high demand for applications including electric cars, wireless telecommunications and high-powered lasers. But to realize these applications, supercapacitors need better electrodes,…

Ultra-high-contrast digital sensing

MIT researchers have developed a sampling scheme that is unconstrained by bandwidth, allowing analog-to-digital conversion without “clipping.” Credit: Jose-Luis Olivares/MIT Virtually any modern information-capture device—such as a camera, audio recorder, or telephone—has an analog-to-digital converter in it, a circuit that converts the fluctuating voltages of analog signals into strings of ones and zeroes. Almost all commercial analog-to-digital converters (ADCs), however, have voltage limits. If an incoming signal exceeds that limit, the ADC either cuts it off or flatlines at the…

Silicon Valley Wants Inside Your Head—Literally

A recent article in the engineering professional’s magazine IEEE Spectrum reveals that several powerful Silicon Valley entrepreneurs are sponsoring initiatives to breach the barrier separating our brains from the rest of the world.  They all fall into the category of “brain-computer interfaces” or BCIs.  For example, Facebook wants to develop a noninvasive (meaning you don’t need surgery to wear it) system that would let you type five times faster on your smart phone than you do now.  A former Facebook…