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Aug 26, 2024

Self-deployable, biodegradable electrode offers minimally invasive brain signal monitoring

Posted by in categories: biotech/medical, neuroscience

Sensors that can be easily and safely introduced in the brain could have important medical applications and could also contribute to the development of brain-interfacing devices. While significant progress has been made toward the development of these sensors, most existing devices can only be deployed via invasive surgical procedures that can have numerous complications.

Researchers at Seoul National University and other institutes in South Korea recently created a new biodegradable and self-deployable tent that could be far easier to insert onto the surface of the human brain. Their proposed electrode design, outlined in Nature Electronics, could naturally degrade inside the human body without leaving any residues, which means that once it is inserted in the body it does not need to be surgically removed.

“Our recent paper was born out of a growing awareness of the clinical challenges linked to the implantation of electrodes via invasive brain surgery,” Seung-Kyun Kang, corresponding author of the paper, told Medical Xpress.

Aug 26, 2024

How hardware contributes to the fairness of artificial neural networks

Posted by in category: robotics/AI

Over the past couple of decades, computer scientists have developed a wide range of deep neural networks (DNNs) designed to tackle various real-world tasks. While some of these models have proved to be highly effective, some studies found that they can be unfair, meaning that their performance may vary based on the data they were trained on and even the hardware platforms they were deployed on.

For instance, some studies showed that commercially available deep learning–based tools for facial recognition were significantly better at recognizing the features of fair-skinned individuals compared to dark-skinned individuals. These observed variations in the performance of AI, in great part due to disparities in the available, have inspired efforts aimed at improving the of existing models.

Researchers at University of Notre Dame recently set out to investigate how hardware systems can contribute to the fairness of AI. Their paper, published in Nature Electronics, identifies ways in which emerging hardware designs, such as computing-in-memory (CiM) devices, can affect the fairness of DNNs.

Aug 26, 2024

Heaviest antimatter observation yet will fine-tune numbers for dark matter search

Posted by in categories: cosmology, particle physics

In experiments at the Brookhaven National Lab in the US, an international team of physicists has detected the heaviest “anti-nuclei” ever seen. The tiny, short-lived objects are composed of exotic antimatter particles.

Aug 26, 2024

Kagome Metals Unlocked: A New Dimension of Superconductivity

Posted by in categories: materials, quantum physics

Kagome metals exhibit superconductivity through a unique wave-like distribution of electron pairs, a discovery that overturns previous assumptions and may lead to the development of novel superconducting components.

This groundbreaking research, driven by theoretical insights and enhanced by cutting-edge experimental techniques, marks a significant step towards realizing efficient quantum devices.

For about fifteen years, Kagome materials with their star-shaped structure reminiscent of a Japanese basketry pattern have captivated global research. Only staring from 2018 scientists have been able to synthesize metallic compounds featuring this structure in the lab. Thanks to their unique crystal geometry, Kagome metals combine distinctive electronic, magnetic, and superconducting properties, making them promising for future quantum technologies.

Aug 26, 2024

Unlocking the Secrets of Promethium: Scientists Capture a Never-Before-Seen Elemental Bond

Posted by in categories: chemistry, materials

A team of scientists led by the U.S. Department of Energy’s (DOE) Oak Ridge National Laboratory (ORNL) recently made an unprecedented observation of how promethium, a rare element, forms chemical bonds in aqueous solutions.

This groundbreaking discovery was made using the Beamline for Materials Measurement (BMM), a beamline funded and operated by the National Institute of Standards and Technology, at the National Synchrotron Light Source II, a DOE Office of Science user facility at DOE’s Brookhaven National Laboratory.

Aug 26, 2024

Quantum Magic: How Scientists Are Untangling the Universe’s Weirdest Mystery

Posted by in categories: futurism, quantum physics

Carl Kocher demystifies quantum entanglement through experimental evidence, challenging classical physics and enriching our understanding of quantum paradoxes.

Quantum entanglement may be hard to get your head around, but it’s believed to be the key to future technological applications in quantum information. In this guest editorial, inspired by his new article in Frontiers in Quantum Science and Technology, Prof Carl Kocher explains his groundbreaking 1964–67 experiments in quantum entanglement and helps us stretch our minds to understand this apparently paradoxical phenomenon.

My new article, ‘Quantum Entanglement of Optical Photons: The First Experiment, 1964−67’, is intended to convey the spirit of a small research project that reaches into uncharted territory. The article breaks with tradition, as it offers a first-person account of the strategy and challenges for the experiment, as well as an interpretation of the final result and its significance. In this guest editorial, I will introduce the subject and also attempt to illuminate the question ‘What is a paradox?’

Aug 26, 2024

“Megalopolis” Trailer Pulled After Revelation That Its “Critic Quotes” Were AI-Generated Fakes

Posted by in categories: entertainment, robotics/AI

The trailer featured quotes from famous film critics panning Francis Ford Coppola’s previous films that appear to be made up by ChatGPT.

Aug 26, 2024

Infinite Range Solar EV? This YouTuber Built One, With An Asterisk

Posted by in categories: habitats, sustainability

Can we build solar-powered EVs that don’t need to be recharged? Technically yes. But this home-built project shows why it’s impractical for the real world.

Aug 26, 2024

Nonsurgical Neural Interfaces Could Significantly Expand Use of Neurotechnology

Posted by in categories: bioengineering, biotech/medical, computing, cyborgs, internet, nanotechnology, neuroscience

Noninvasive braincomputer interfaces could vastly improve brain computer control.


Over the past two decades, the international biomedical research community has demonstrated increasingly sophisticated ways to allow a person’s brain to communicate with a device, allowing breakthroughs aimed at improving quality of life, such as access to computers and the internet, and more recently control of a prosthetic limb. DARPA has been at the forefront of this research.

The state of the art in brain-system communications has employed invasive techniques that allow precise, high-quality connections to specific neurons or groups of neurons. These techniques have helped patients with brain injury and other illnesses. However, these techniques are not appropriate for able-bodied people. DARPA now seeks to achieve high levels of brain-system communications without surgery, in its new program, Next-Generation Nonsurgical Neurotechnology (N3).

Continue reading “Nonsurgical Neural Interfaces Could Significantly Expand Use of Neurotechnology” »

Aug 26, 2024

Scientists discover new code governing gene activity

Posted by in categories: biotech/medical, genetics

A newly discovered code within DNA—coined “spatial grammar”—holds a key to understanding how gene activity is encoded in the human genome.

This breakthrough finding, identified by researchers at Washington State University and the University of California, San Diego and published in Nature, revealed a long-postulated hidden spatial grammar embedded in DNA. The research could reshape scientists’ understanding of and how genetic variations may influence in development or disease.

Transcription factors, the proteins that control which genes in one’s genome are turned on or off, play a crucial role in this code. Long thought of as either or repressors of gene activity, this research shows the function of transcription factors is far more complex.

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