The rows of blue solar panels that dot landscapes and rooftops are typically made out of crystalline silicon, the workhorse semiconductor found in virtually every electronic device.
* This article was originally published here
Sunday, 26 May 2019
Comet inspires chemistry for making breathable oxygen on Mars
Science fiction stories are chock full of terraforming schemes and oxygen generators for a very good reason—we humans need molecular oxygen (O2) to breathe, and space is essentially devoid of it. Even on other planets with thick atmospheres, O2 is hard to come by.
* This article was originally published here
* This article was originally published here
Drug-resistant infections: If you can't beat 'em, starve 'em, scientists find
How do you fight a fungal infection that is becoming increasingly resistant to medicine? By starving it, found a team of University at Buffalo and Temple University researchers.
* This article was originally published here
* This article was originally published here
Threat or promise? E-auto boom could cost industry jobs
Over 115 years the auto industry in the east German town of Zwickau has lived through wrenching upheavals including World War II and the collapse of communism. Now the city's 90,000 people are plunging headlong into another era of change: top employer Volkswagen's total shift into electric cars at the local plant.
* This article was originally published here
* This article was originally published here
NASA's first-of-kind tests look to manage drones in cities
NASA has launched the final stage of a four-year effort to develop a national traffic management system for drones, testing them in cities for the first time beyond the operator's line of sight as businesses look in the future to unleash the unmanned devices in droves above busy streets and buildings.
* This article was originally published here
* This article was originally published here
Electrified methane reformer produces far less carbon dioxide
A team of researchers from several institutions in Denmark, along with colleagues from Sintex and Haldor Topsoe, has developed an electrified methane reformer that produces far less CO2 than conventional steam-methane reformers. In their paper published in the journal Science, the group describes their new technology and how well it works. Kevin Van Geem, Vladimir Galvita and Guy Marin with the Laboratory for Chemical Technology and Center for Sustainable Chemistry in Ghent have published a Perspective piece on the work done by the team in the same journal issue.
* This article was originally published here
* This article was originally published here
Fake Facebook accounts: the never-ending battle against bots
The staggering figure of more than three billion fake accounts blocked by Facebook over a six-month period highlights the challenges faced by social networks in curbing automated accounts, or bots, and other nefarious efforts to manipulate the platforms.
* This article was originally published here
* This article was originally published here
PAL: A wearable system for context-aware health and cognition support
Researchers at MIT Media Lab have developed a wearable platform that provides real-time, personalized, and context-aware health and cognition support. Their system, called personalized active learner (PAL), was presented in a paper pre-published on arXiv.
* This article was originally published here
* This article was originally published here
'Neural Lander' uses AI to land drones smoothly
Landing multi-rotor drones smoothly is difficult. Complex turbulence is created by the airflow from each rotor bouncing off the ground as the ground grows ever closer during a descent. This turbulence is not well understood nor is it easy to compensate for, particularly for autonomous drones. That is why takeoff and landing are often the two trickiest parts of a drone flight. Drones typically wobble and inch slowly toward a landing until power is finally cut, and they drop the remaining distance to the ground.
* This article was originally published here
* This article was originally published here
Tapping the power of AI and high-performance computing to extend evolution to superconductors
Owners of thoroughbred stallions carefully breed prizewinning horses over generations to eke out fractions of a second in million-dollar races. Materials scientists have taken a page from that playbook, turning to the power of evolution and artificial selection to develop superconductors that can transmit electric current as efficiently as possible.
* This article was originally published here
* This article was originally published here
Drinking red wine for heart health? read this before you toast
For years, studies have shown a relationship between drinking a moderate amount of red wine and good heart health, but experts say it's important to understand what that means before you prescribe yourself a glass or two a day.
* This article was originally published here
* This article was originally published here
Adding a carbon atom transforms 2-D semiconducting material
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.
* This article was originally published here
* This article was originally published here
Short-term use of opioids increases subjective pleasure
The human opioid system contributes to the regulation of emotions, pleasure and pain. Opioids are strong analgesics. In addition to effectively relieving pain, external opioids may improve mood and reduce negative emotions. However, not much has been known about the effect of opioids on emotional responses caused by external stimuli.
* This article was originally published here
* This article was originally published here
Zero-carbon electric transport is already in reach for small islands
At a recent talk on the UK's energy sector, the head of an electric utility company claimed that "the problem of decarbonising our electricity sector is fixed". Eyebrows were raised at this, but his point quickly became clear. The technologies needed to decarbonise the UK's electricity system now exist, he explained. Indeed, grid operators in the UK expect a zero carbon electricity system by 2025.
* This article was originally published here
* This article was originally published here
Meteor magnets in outer space—study finds elusive giant planets
Astronomers believe planets like Jupiter shield us from space objects that would otherwise slam into Earth. Now they're closer to learning whether giant planets act as guardians of solar systems elsewhere in the galaxy.
* This article was originally published here
* This article was originally published here
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