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Jul 10, 2024

Study investigates the nature of very-high energy gamma-ray source TeV J2032+4130

Posted by in categories: energy, space

Using the High-Altitude Water Cherenkov (HAWC) observatory, an international team of astronomers has observed a very-high energy gamma-ray source designated TeV J2032+4130. Results of the observational campaign, presented July 3 on the preprint server arXiv, provide crucial information regarding the nature of this source.

Sources emitting with between 100 GeV and 100 TeV are called very-high energy (VHE) gamma-ray sources, while those with photon energies above 0.1 PeV are known as ultra-high energy (UHE) gamma-ray sources. The nature of these sources is still not well understood; therefore, astronomers are constantly searching for new objects of this type to characterize them, which could shed more light on their properties in general.

TeV J2032+4130 was identified in 2005 by the High Energy Gamma Ray Astronomy (HEGRA) experiment as the first VHE gamma-ray source in the TeV range with no lower-energy counterpart. Previous observations of TeV J2032+4130 have revealed that it consists of two sources, namely HAWC J2030+409 and HAWC J2031+415, which is coincident with a pulsar wind nebula (PWN).

Jul 10, 2024

A new model to plan and control the movements of humanoids in 3D environments

Posted by in categories: biotech/medical, policy, robotics/AI, virtual reality

Humanoids, robotic or virtual systems with body structures that resemble the human body, have a wide range of real-world applications. As their limbs and bodies mirror those of humans, they could be made to reproduce a wide range of human movements, such as walking, crouching, jumping, swimming and so on.

Computationally generating realistic motions for virtual humanoid characters could have interesting implications for the development of video games, animated films, (VR) experiences, and other media content. Yet the environments portrayed in video games and animations are often highly dynamic and complex, which can make planning motions for introduced in these environments more challenging.

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Jul 10, 2024

New tool uses vision language models to safeguard against offensive image content

Posted by in category: robotics/AI

Researchers at the Artificial Intelligence and Machine Learning Lab (AIML) in the Department of Computer Science at TU Darmstadt and the Hessian Center for Artificial Intelligence (hessian. AI) have developed a method that uses vision language models to filter, evaluate, and suppress specific image content in large datasets or from image generators.

Artificial intelligence (AI) can be used to identify objects in images and videos. This computer vision can also be used to analyze large corpora of visual data.

Researchers led by Felix Friedrich from the AIML have developed a method called LlavaGuard, which can now be used to filter certain image content. This tool uses so-called vision language models (VLMs). In contrast to large language models (LLMs) such as ChatGPT, which can only process text, vision language models are able to process and understand image and text content simultaneously. The work is published on the arXiv preprint server.

Jul 10, 2024

The Promise Of CRISPR In Alzheimer’s Treatment

Posted by in categories: bioengineering, biotech/medical, genetics, neuroscience

To create one-time cures for Alzheimer’s disease, researchers are investigating the application of CRISPR-Cas9 gene-editing for novel therapies. Cutting and pasting genes is difficult with current technology, but CRISPR gene editing may help later stages or those individuals with hereditary mutations. Variants in the lipid transport protein apolipoprotein E (APOE4) have been associated with late-onset Alzheimer’s disease, with a three-to twelve-fold increase in risk.

Researchers engineered the Christchurch gene variation into mice bearing human APOE4 using CRISPR. After that, these mice were crossed, resulting in progeny that carried one or two copies of the modified variation.

The group discovered that mice bearing a single copy of the APOE4-Christchurch variation exhibited a partial defense against Alzheimer’s disease. The disease did not exhibit typical symptoms in mice carrying two copies. The work mimics the advantageous effects of the Christchurch mutation to propose possible treatment strategies for Alzheimer’s disease associated with APOE4.

Jul 10, 2024

Mapping the surfaces of MXenes, atom by atom, reveals new potential for the 2D materials

Posted by in categories: chemistry, mapping, particle physics, sustainability

In the decade since their discovery at Drexel University, the family of two-dimensional materials called MXenes has shown a great deal of promise for applications ranging from water desalination and energy storage to electromagnetic shielding and telecommunications, among others. While researchers have long speculated about the genesis of their versatility, a recent study led by Drexel and the University of California, Los Angeles, has provided the first clear look at the surface chemical structure foundational to MXenes’ capabilities.

Using advanced imaging techniques, known as scanning tunneling microscopy (STM) and scanning tunneling spectroscopy (STS), the team, which also includes researchers from California State University Northridge, and Lawrence Berkeley National Laboratory, mapped the electrochemical surface topography of the titanium carbide MXene — the most-studied and widely used member of the family.

Their findings, published in the 5th anniversary issue of the Cell Press journal Matter (“Atomic-scale investigations of Ti 3 C 2 Tx MXene surfaces”), will help to explain the range of properties exhibited by members of the MXene family and allow researchers to tailor new materials for specific applications.

Jul 10, 2024

Which Nutrients Are Associated With A Younger Brain Age?

Posted by in category: neuroscience

Join us on Patreon! https://www.patreon.com/MichaelLustgartenPhDDiscount Links: NAD+ Quantification: https://www.jinfiniti.com/intracellular-nad-test/Use Cod…

Jul 10, 2024

SpaceX set to launch Falcon 9 rocket on Wednesday. Here’s how to see it in Arizona

Posted by in categories: internet, satellites

SpaceX will launch a Falcon 9 rocket containing 20 Starlink satellites from California. Here’s how to watch the rocket launch from Arizona.

Jul 10, 2024

What Merging with AI Could Mean for Humanity, According to Futurist Ray Kurzweil

Posted by in categories: Ray Kurzweil, robotics/AI, singularity

Author Ray Kurzweil shares 5 key insights from his new book, The Singularity Is Nearer: When We Merge with AI.

Jul 10, 2024

Does the Universe Have a Purpose? What’s the Point of Universe’s Evolution?

Posted by in categories: computing, cosmology, neuroscience, quantum physics

The Omega Point cosmo-teleology emerges from the intersection of quantum cosmology, teleology, and complex systems theory. Originally conceptualized by French philosopher Pierre Teilhard de Chardin, the Omega Point envisions the universe evolving towards a state of maximum complexity and consciousness (Teilhard de Chardin, 1955). Such a state represents the ultimate goal and culmination of cosmic evolution, wherein the convergence of mind and matter leads to a unified superintelligence.

The Omega Point theory postulates that the universe’s evolution is directed towards increasing complexity and consciousness, a teleological process with a purposeful end goal (Teilhard de Chardin, 1955). The concept was further refined by physicists and cosmologists, including John David Garcia (Garcia, 1996), Paolo Soleri (Soleri, 2001), Terence McKenna (McKenna, 1991), Frank Tipler (Tipler, 1994), and Andrew Strominger (Strominger, 2016).

A complementary perspective to the Omega Point theory is found in the Holographic Principle, which posits that all information within our universe is encoded on its boundary. Such an idea suggests our three-dimensional reality is a projection from this two-dimensional surface (Bekenstein, 2003). In the holographic universe, everything we perceive is a reflection of data encoded at the cosmic edge, which could imply that our entire universe resides within a black hole of a larger universe (Susskind, 1995). This perspective aligns with the concept of maximum informational density at the Omega Point and highlights the profound interconnectedness of all phenomena, blurring the boundaries between mind, matter, and the cosmos into a singular, computational entity.

Jul 10, 2024

A maternal brain hormone that builds bone

Posted by in category: neuroscience

Did you know that the nervous system can help to build and repair bone?

Researchers identify a key brain-derived hormone that repairs bone in both sexes and critically maintains bone density in lactating female mice.

Researchers have found that a brain hormone called CCN3, produced by specific…

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