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Engineering News

Adding a carbon atom transforms 2D semiconducting material — ScienceDaily

A technique that introduces carbon-hydrogen molecules into a single atomic layer of the semiconducting material tungsten disulfide dramatically changes the electronic properties of the material, according to Penn State researchers at Penn State who say they can create new types of components for energy-efficient photoelectric devices and electronic circuits with this material. “We have successfully introduced the carbon species into the monolayer of the semiconducting material,” said Fu Zhang, doctoral student in materials science and engineering lead author of a…

Origami-inspired materials could soften the blow for reusable spacecraft — ScienceDaily

Space vehicles like SpaceX’s Falcon 9 are designed to be reusable. But this means that, like Olympic gymnasts hoping for a gold medal, they have to stick their landings. Landing is stressful on a rocket’s legs because they must handle the force from the impact with the landing pad. One way to combat this is to build legs out of materials that absorb some of the force and soften the blow. University of Washington researchers have developed a novel solution…

Rewriting the Slack Python SDK – Several People Are Coding

Outdoors, mountain, nature and alps | by Bernard Hermant Our Journey to Python 3 Have you ever been given a relatively inactive project and asked to fix a bug? What about having to update code that’s used by thousands of projects without the guidance of the original author? I stepped into a circumstance like that when I joined the Developer Relations Tools Team at Slack. At the start of 2019, my manager tasked me with taking over as the lead maintainer of…

Researchers create soft, flexible materials with enhanced properties — ScienceDaily

A team of polymer chemists and engineers from Carnegie Mellon University have developed a new methodology that can be used to create a class of stretchable polymer composites with enhanced electrical and thermal properties. These materials are promising candidates for use in soft robotics, self-healing electronics and medical devices. The results are published in the May 20 issue of Nature Nanotechnology. In the study, the researchers combined their expertise in foundational science and engineering to devise a method that uniformly…

Adding support for Arabic and Hebrew languages on Airbnb

The right-to-left presentation of these top-requested languages present unique engineering and design challenges. Authors: Yaniv Zimet, Mati Bot What makes this noteworthy? Airbnb’s mission is to create a world where anyone can belong anywhere, and with this release, we enable more than 300 million Arabic– and Hebrew-speakers globally to belong on Airbnb. Arabic and Hebrew are both languages that use a right-to-left (RTL) writing direction. The start of the page in a RTL layout is the right-hand side. All text…

Interplay between mitochondria and nucleus may have implications for new treatment — ScienceDaily

Mitochondria, the ‘batteries’ that produce our energy, interact with the cell’s nucleus in subtle ways previously unseen in humans, according to research published today in the journal Science. The study, led by scientists at the University of Cambridge, suggests that matching mitochondrial DNA to nuclear DNA could be important when selecting potential donors for the recently-approved mitochondrial donation treatment, in order to prevent potential health problems later in life. Almost all of the DNA that makes up the human genome…

Study encourages doctors to look beyond typical symptoms for stroke — ScienceDaily

Women experiencing a minor stroke or transient ischemic attack (TIA) are less likely to be diagnosed with a stroke compared to men — even though they describe similar symptoms in emergency departments. “In our study, men were more likely to be diagnosed with TIA or minor stroke, and women were 10 per cent more likely to be given a non-stroke diagnosis, for example migraine or vertigo, even though men and women were equally likely to report atypical stroke symptoms,” says…

Hackers Can Crack Your Accounts Using Keyloggers

Do not be surprised when you find out that using a keylogger is the easiest way to hack passwords and get access to your accounts. In this article, you will get to know about Keyloggers and how they work. You will also get to know about the different brands of antivirus you can make use of to solve the problem. A keylogger also called a keystroke logger is a computer program that operates in stealth mode on your PC. Once…

Gas vs. electric? Fuel choice affects efforts to achieve low-energy and low-impact homes

NIST’s Net Zero Energy Residential Test Facility in Gaithersburg, Maryland, provided measurements for a NIST analysis of the environmental impacts of gas and electric HVAC systems in energy-efficient Maryland homes. Credit: Beamie Young/NIST If you want to make your home as energy-efficient and green as possible, should you use gas or electric for your heating and cooling needs? Gas is the more eco-friendly option—for now—for an energy-efficient home in Maryland. That’s the conclusion of a new economic study by the National…

Sandia launches a bus into space

A sounding rocket designed and launched by Sandia National Laboratories lifts off from the Kauai Test Facility in Hawaii on April 24. Credit: Sandia National Laboratories Sandia National Laboratories recently launched a bus into space. Not the kind with wheels that go round and round, but the kind of device that links electronic devices (a USB cable, short for “universal serial bus,” is one common example). The bus was among 16 total experiments aboard two sounding rockets that were launched…