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Keeping it fresh: New AI-based strategy can assess the freshness of beef samples

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IMAGE: Consuming spoiled beef is dangerous, but there are currently no simple and efficient methods to assess beef freshness.
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Credit: Unsplash
Although beef is one of the most consumed foods around the world, eating it when it s past its prime is not only unsavory, but also poses some serious health risks. Unfortunately, available methods to check for beef freshness have various disadvantages that keep them from being useful to the public. For example, chemical analysis or microbial population evaluations take too much time and require the skills of a professional. On the other hand, non-destructive approaches based on near-infrared spectroscopy require expensive and sophisticated equipment. Could artificial intelligence be the key to a more cost-effective way to assess the freshness of beef? ....

South Korea , Kwangju Gwangyoksi , Kyoobin Lee , Jae Gwan Kim , Gwangju Institute Of Science , Gwangju Institute , Associate Processors Kyoobin Lee , Proud Creator , Future Science , Health Care , Algorithms Models , Medicine Health , Health Care Systems Services , Public Health , Technology Engineering Computer Science , Research Development , தெற்கு கொரியா , ஜே குவன் கிம் , குவங்ஜு நிறுவனம் ஆஃப் அறிவியல் , குவங்ஜு நிறுவனம் , ப்ரௌட் உருவாக்கியவர் , எதிர்கால அறிவியல் , ஆரோக்கியம் பராமரிப்பு , மருந்து ஆரோக்கியம் , ஆரோக்கியம் பராமரிப்பு அமைப்புகள் சேவைகள் , பொது ஆரோக்கியம் ,

Connecting the dots between engagement and learning

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We ve all heard the adage, If at first you don t succeed, try, try again, but new research from Carnegie Mellon University and the University of Pittsburgh finds that it isn t all about repetition. Rather, internal states like engagement can also have an impact on learning.
The collaborative research, published in
Nature Neuroscience, examined how changes in internal states, such as arousal, attention, motivation, and engagement can affect the learning process using brain-computer interface (BCI) technology. Findings suggest that changes in internal states can systematically influence how behavior improves with learning, thus paving the way for more effective methods to teach people skills quickly, and to a higher level of proficiency. ....

Aaron Batista , Byron Yu , Steve Chase , Carnegie Mellon , Carnegie Mellon University , Neuroscience Institute , University Of Pittsburgh , Nature Neuroscience , Neural Basis , Developmental Reproductive Biology , Social Behavioral Science , Learning Literacy Reading , Technology Engineering Computer Science , Biomedical Environmental Chemical Engineering , Research Development , ஆரோன் பாடிஸ்டா , பைரன் யூ , ஸ்டீவ் துரத்து , கார்னகி மெலந் , கார்னகி மெலந் பல்கலைக்கழகம் , நரம்பியல் நிறுவனம் , பல்கலைக்கழகம் ஆஃப் பிட்ஸ்பர்க் , இயற்கை நரம்பியல் , நரம்பியல் அடிப்படையில் , வளர்ச்சி இனப்பெருக்கம் உயிரியல் , சமூக நடத்தை அறிவியல் ,

Spin-to-charge conversion achieves 95% overall qubit readout fidelity

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IMAGE: a) Energy levels used to achieve SCC. b) A schematic diagram of SCC readout. c) The excitation spectrum of the nitrogen-vacancy (NV) center used here at cryogenic temperature of 8?K..
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Credit: ZHANG Qi et al.
The team led by Professor DU Jiangfeng and Professor WANG Ya from the Chinese Academy of Sciences (CAS) Key Laboratory of Microscale Magnetic Resonance of the University of Science and Technology of China put forward an innovative spin-to-charge conversion method to achieve high-fidelity readout of qubits, stepping closer towards fault-tolerant quantum computing.
Quantum supremacy over classical computers has been fully exhibited in some specific problems, yet the next milestone, fault-tolerant quantum computing, still requires the accumulated logic gate error and the spin readout fidelity to exceed the fault-tolerant threshold. DU s team has resolved the first requirement in the nitrogen-vacancy (NV) center system [ ....

Jiang Feng , Nature Communications , Chinese Academy Of Sciences , Technology Of China , Chinese Academy , Key Laboratory , Microscale Magnetic Resonance , Chemistry Physics Materials Sciences , Atomic Molecular Particle Physics , Technology Engineering Computer Science , Research Development , Atomic Physics , ஜியாங் ஃபெங் , இயற்கை தகவல்தொடர்புகள் , சீன கலைக்கழகம் ஆஃப் அறிவியல் , தொழில்நுட்பம் ஆஃப் சீனா , சீன கலைக்கழகம் , விசை ஆய்வகம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , அணு மூலக்கூறு துகள் இயற்பியல் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , ஆராய்ச்சி வளர்ச்சி , அணு இயற்பியல் ,

Lessons from computer science can make medical devices fair for all

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Technology can be biased, and its design can disadvantage certain demographic groups. While efforts to address bias and promote fairness in technologies are rapidly growing in a variety of technical disciplines, Achuta Kadambi argues that similar growth is not occurring fast enough for medical engineering. Although computer science companies terminate lucrative but biased facial recognition systems, biased medical devices continue to be sold as commercial products, writes Kadambi in a Perspective. Bias in medical devices results in undesirable performance variation across demographic groups and can greatly influence health inequality. For example, optical biosensors that use light to monitor vital signs like blood oxygenation have been shown to work differently on light versus dark skin. Since some of these measures relate to what could be serious medical prognoses, such a biased medical device could lead to disparate mortality outcomes for Black and dark-skinned pa ....

Achuta Kadambi , Amazon Inc , Technology Engineering Computer Science , அமேசான் இன்க் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் ,

Plasma jets stabilize water to splash less

Credit: Professor Wonho Choe, KAIST.
A study by KAIST researchers revealed that an ionized gas jet blowing onto water, also known as a plasma jet , produces a more stable interaction with the water s surface compared to a neutral gas jet. This finding reported in the April 1 issue of
Nature will help improve the scientific understanding of plasma-liquid interactions and their practical applications in a wide range of industrial fields in which fluid control technology is used, including biomedical engineering, chemical production, and agriculture and food engineering.
Gas jets can create dimple-like depressions in liquid surfaces, and this phenomenon is familiar to anyone who has seen the cavity produced by blowing air through a straw directly above a cup of juice. As the speed of the gas jet increases, the cavity becomes unstable and starts bubbling and splashing. ....

South Korea , Cholla Bukto , Wonho Choe , National Research Foundation Of Korea , Slovenian Research Agency , Chonbuk National University In Korea , Joef Stefan Institute , Professor Wonho Choe , Professor Choe , Chonbuk National University , High Return Project , National Research Foundation , Chemistry Physics Materials Sciences , Technology Engineering Computer Science , Research Development , தெற்கு கொரியா , தேசிய ஆராய்ச்சி அடித்தளம் ஆஃப் கொரியா , ப்ரொஃபெஸர் சொல் , உயர் திரும்ப ப்ராஜெக்ட் , தேசிய ஆராய்ச்சி அடித்தளம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் , ஆராய்ச்சி வளர்ச்சி ,