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Oct 26, 2024

The Promise of Molecular Nanotechnology

Posted by in categories: drones, nanotechnology

Molecular nanotechnology may have the power to completely revolutionize human living.

Drone in D by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)

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Oct 26, 2024

How ChatGPT scanned 170k lines of code in seconds, saving me hours of work

Posted by in category: robotics/AI

In conclusion, don’t accept what the AI tells you as absolute truth. Don’t make critical decisions based on its answers. And remember that you sometimes have to negotiate with the AI before it’s willing to give you helpful answers.

This test is yet another case where I’ve been able to turn to the AI and find an answer for a very me-specific question without coding in minutes.

If you have a question that requires a lot of text or numerical analysis, consider running it by ChatGPT or one of the other AIs. You might get a useful answer in minutes.

Oct 26, 2024

US approves huge lithium mine to supply batteries for 370,000 EVs annually

Posted by in category: futurism

The US has approved Ioneer’s Rhyolite Ridge Lithium-Boron Project, which will produce batteries for over 370,000 EVs annually for 26 years.

Oct 26, 2024

NASA Stennis Achieves Milestone in Preparation for Future Artemis Testing

Posted by in category: space travel

NASA’s Stennis Space Center near Bay St. Louis, Mississippi, achieved a key milestone this week for testing a new SLS (Space Launch System) rocket stage to fly on future Artemis missions to the Moon and beyond.

Over a two-week period beginning Oct. 10, crews completed a safe lift and installation of the interstage simulator component needed for future testing of NASA’s exploration upper stage (EUS) in the B-2 position of the Thad Cochran Test Stand. The component will function like the SLS interstage section that helps protect the upper stage during Artemis launches.

Continue reading “NASA Stennis Achieves Milestone in Preparation for Future Artemis Testing” »

Oct 26, 2024

AI Agents: Are We Ready For Machines That Make Decisions?

Posted by in category: robotics/AI

We are fast moving to level 3 of Artificial Intelligence — AI Agents. Does AI include sufficient reasoning for AI agents?

Oct 26, 2024

Researchers use magnetic fields to freeze light in its tracks

Posted by in categories: computing, particle physics

This finding, achieved independently by a team at Pennsylvania State University published in the same journal, holds immense potential for the development of nanophotonic devices.

Manipulating the flow of light in materials at small scales is crucial for creating efficient nanophotonic chips, the building blocks for future optical devices. In the realm of electronics, scientists can control the movement of electrons using magnetic fields.

The Lorentz force, exerted by the magnetic field, dictates the electron’s trajectory. However, this approach is inapplicable to photons – the fundamental particles of light – as they lack an electrical charge.

Oct 26, 2024

Natural compound found in flowers blocks activity of an enzyme involved in multiple sclerosis and cancer

Posted by in categories: biotech/medical, neuroscience

Scientists have identified a natural compound that halts the process involved in the progression of certain forms of cancer and demyelinating conditions—those that damage the sheath, known as myelin, that surrounds neurons—such as multiple sclerosis.

Oct 26, 2024

Freeze-frame: U of A researchers develop microscope that can see electrons in motion

Posted by in categories: bioengineering, chemistry, quantum physics

Imagine owning a camera so powerful it can take freeze-frame photographs of a moving electron – an object traveling so fast it could circle the Earth many times in a second. Researchers at the University of Arizona have developed the world’s fastest electron microscope that can do just that.

They believe their work will lead to groundbreaking advancements in physics, chemistry, bioengineering, materials sciences and more.

“When you get the latest version of a smartphone, it comes with a better camera,” said Mohammed Hassan, associate professor of physics and optical sciences. “This transmission electron microscope is like a very powerful camera in the latest version of smartphones; it allows us to take pictures of things we were not able to see before – like electrons. With this microscope, we hope the scientific community can understand the quantum physics behind how an electron behaves and how an electron moves.”

Oct 26, 2024

Fathers’ Gut Bacteria Impact Offspring Health

Posted by in categories: biotech/medical, genetics, health

ABOVE: The placenta’s labyrinth zone (red), responsible for nutrient exchange between mother and fetus, is reduced in fetuses with dysbiotic fathers (lower panel) compared to healthy fathers (upper panel). Ayele Argaw-Denboba.

The microbiome has a profound impact on host health that extends to the host’s young ones. Studies in mice have shown that maternal gut bacteria play a role in offspring behavior and placental growth during pregnancy.1,2 Yet, the effects of the paternal microbiome on the health of their progeny remained relatively unexplored.

In a new study, scientists found that altering the gut microbiome of male mice negatively affected the health and lifespan of their offspring through epigenetic changes in the sperm.3 The results, published in Nature, offer insights into a gut-germline axis that mediates the effects of the microbiome on health and disease across generations.

Oct 26, 2024

‘Quantum CD’ could hold up to 1,000 times more data than today’s optical disks

Posted by in category: quantum physics

A new proposal borrows from the principles of quantum mechanics and a technique called “wavelength multiplexing” to hypothesize an ultra-dense new storage format.

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