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Carbon monoxide reduced to valuable liquid fuels

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IMAGE: An electron microscope images shows copper nanocubes used by Rice University engineers to catalyze the transformation of carbon monoxide into acetic acid.
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Credit: Wang Group/Senftle Group/Rice University
HOUSTON - (Jan. 11, 2021) - A sweet new process is making sour more practical.
Rice University engineers are turning carbon monoxide directly into acetic acid the widely used chemical agent that gives vinegar its tang with a continuous catalytic reactor that can use renewable electricity efficiently to turn out a highly purified product.
The electrochemical process by the labs of chemical and biomolecular engineers Haotian Wang and Thomas Senftle of Rice s Brown School of Engineering resolves issues with previous attempts to reduce carbon monoxide (CO) into acetic acid. Those processes required additional steps to purify the product. ....

Yang Xia , Zipeng Zhu , Xiao Zhang , Saudi Arabia , United States , Rice University , Kun Jiang , Guanhui Gao , Thomas Senftle , Chun Yen Liu , Haotian Wang , Chuan Xia , Husam Alshareef , Rice Brown School Of Engineering , King Abdullah University Of Science , National Science Foundation , Azrieli Global Scholars Program , Georger Brown School Of Engineering , Baker Institute For Public , Department Of Chemical , Senftle Group , Natural Sciences , Wang Group Senftle Rice University , Shanghai Jiao Tong University , Proceedings Of The National Academy Sciences , Peng Zhu Rice University ,

Accelerating AI computing to the speed of light

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Artificial intelligence and machine learning are already an integral part of our everyday lives online. For example, search engines such as Google use intelligent ranking algorithms and video streaming services such as Netflix use machine learning to personalize movie recommendations.
As the demands for AI online continue to grow, so does the need to speed up AI performance and find ways to reduce its energy consumption.
Now a University of Washington-led team has come up with a system that could help: an optical computing core prototype that uses phase-change material. This system is fast, energy efficient and capable of accelerating the neural networks used in AI and machine learning. The technology is also scalable and directly applicable to cloud computing. ....

Mo Li , Changming Wu , Ruoming Peng , Ichiro Takeuchi , Heshan Yu , Seokhyeong Lee , Nature Communications , University Of Maryland , Washington Nanofabrication , Molecular Analysis Facility , Technology Engineering Computer Science , Computer Science , Multimedia Networking Interface Design , Electrical Engineering Electronics , மோ லி , ஹேஷன் யூ , இயற்கை தகவல்தொடர்புகள் , பல்கலைக்கழகம் ஆஃப் மேரிலாந்து , மூலக்கூறு பகுப்பாய்வு வசதி , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , கணினி அறிவியல் , மல்டிமீடியா நெட்வொர்க்கிங் இடைமுகம் வடிவமைப்பு , மின் பொறியியல் மின்னணுவியல் ,

Core design strategy for fire-resistant batteries

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IMAGE: Scheme of exposed crystal facets of cubic structures with (100), (110), and (111) orientations.
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Credit: Korea Institute of Science and Technology(KIST)
All-solid-state batteries are the next-generation batteries that can simultaneously improve the stability and capacity of existing lithium batteries. The use of non-flammable solid cathodes and electrolytes in such batteries considerably reduces the risk of exploding or catching fire under high temperatures or external impact and facilitates high energy density, which is twice that of lithium batteries. All-solid-state batteries are expected to become a game changer in the electric vehicle and energy storage device markets. Despite these advantages, the low ionic conductivity of solid electrolytes combined with their high interfacial resistance and rapid deterioration reduce battery performance and life, thus limiting their commercialization. ....

South Korea , Nano Energy , Sungkyunkwan University , Kist Sungkyunkwan University , Korea Institute Of Science , Energy Materials Research , Ministry Of Science , Korea Institute , Sang Baek Park , Professor Hyun Jung Shin , Chemistry Physics Materials Sciences , Technology Engineering Computer Science , தெற்கு கொரியா , நானோ ஆற்றல் , கொரியா நிறுவனம் ஆஃப் அறிவியல் , ஆற்றல் பொருட்கள் ஆராய்ச்சி , அமைச்சகம் ஆஃப் அறிவியல் , கொரியா நிறுவனம் , பாடினார் பேக் பூங்கா , ப்ரொஃபெஸர் யுங் ஜங் தாடை , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் ,

Rice model offers help for new hips

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IMAGE: Rice University engineers have designed a computational model that will ultimately serve as the engine to predict how long a hip implant could last for a specific patient. It incorporates.
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Credit: Wikipedia
HOUSTON - (Jan. 11, 2021) - Rice University engineers hope to make life better for those with replacement joints by modeling how artificial hips are likely to rub them the wrong way.
The computational study by the Brown School of Engineering lab of mechanical engineer Fred Higgs simulates and tracks how hips evolve, uniquely incorporating fluid dynamics and roughness of the joint surfaces as well as factors clinicians typically use to predict how well implants will stand up over their expected 15-year lifetime. ....

Rice University , United States , Brown School , Gagan Srivastava , Marsha Dowd , Georg Bergmann , Duke Pratt , Fred Higgs , Dow Chemical , Brown School Of Engineering , Natural Sciences , Department Of Mechanical Engineering , Georger Brown School Of Engineering , Baker Institute For Public , Particle Flow Tribology Lab Higgs , Tribology Lab , Research Institute Of Texas , Princeton Review , Free University Of Berlin , Price Center , Nia Christian , Particle Flow , Ann Doerr Professor , Mechanical Engineering , Free University , Cancer Prevention ,

Researchers use LRZ HPC resources to perform largest-ever supersonic turbulence simulation

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IMAGE: Turbulence shaping the interstellar medium. The image shows a slice through turbulent gas in the world s highest-resolution simulation of turbulence, published in Nature Astronomy. Turbulence produces strong density contrasts,.
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Credit: Federrath et al. Nature Astronomy. DOI: 10.1038/s41550-020-01282-z
Through the centuries, scientists and non-scientists alike have looked at the night sky and felt excitement, intrigue, and overwhelming mystery while pondering questions about how our universe came to be, and how humanity developed and thrived in this exact place and time. Early astronomers painstakingly studied stars subtle movements in the night sky to try and determine how our planet moves in relation to other celestial bodies. As technology has increased, so too has our understanding of how the universe works and our relative position within it. ....

Baden Wuberg , Luigi Iapichino , Eric Gedenk , Heidelberg University Professor Ralf Klessen , Leibniz Supercomputing Centre , University Of Heidelberg , Australian National University Associate Professor Christoph Federrath , Nature Astronomy , Space Planetary Science , Technology Engineering Computer Science , Computer Science , Software Engineering , பல்கலைக்கழகம் ஆஃப் ஹைடெல்பெர்க் , இயற்கை வானியல் , இடம் கிரகங்கள் அறிவியல் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , கணினி அறிவியல் , மென்பொருள் பொறியியல் ,