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May 19, 2022

Spin keeps electrons in line in iron-based superconductor

Posted by in categories: materials, quantum physics

Researchers from PSI’s Spectroscopy of Quantum Materials group together with scientists from Beijing Normal University have solved a puzzle at the forefront of research into iron-based superconductors: the origin of FeSe’s electronic nematicity. Using Resonant inelastic X-ray scattering (RIXS) at the Swiss Light Source (SLS), they discovered that, surprisingly, this electronic phenomenon is primarily spin driven.

Electronic nematicity is believed to be an important ingredient in high-temperature superconductivity, but whether it helps or hinders it is still unknown.

Their findings are published in Nature Physics (“Spin-excitation anisotropy in the nematic state of detwinned FeSe”).

May 19, 2022

Stimulating Brain Circuits Promotes Neuron Growth in Adulthood, Improving Cognition and Mood

Posted by in categories: biotech/medical, genetics, life extension, neuroscience

Summary: Researchers used optogenetics techniques to stimulate specific brain areas to increase neurogenesis and the production of neural stem cells to improve memory, cognition, and emotional processing in animal models.

Source: UNC Health Care.

We humans lose mental acuity, an unfortunate side effect of aging. And for individuals with neurodegenerative conditions such as Alzheimer’s and Parkinson’s, the loss of cognitive function often accompanied by mood disorders such as anxiety is a harrowing experience. One way to push back against cognitive decline and anxiety would be to spur the creation of new neurons.

May 19, 2022

Personal Identity, Mind-Uploading, and the Teletransportation Paradox

Posted by in categories: bitcoin, cryptocurrencies, transportation

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May 19, 2022

Uploading Memories: Elon Musk’s Brain Chip (Neuralink Future Technology)

Posted by in categories: biotech/medical, education, Elon Musk, robotics/AI

The long term goal for Elon Musk and brain to computer interfaces (brain chips) is to merge our minds with artificial intelligence. While the short term goal for Neuralink and other companies is to help people with medical issues.

This short documentary video takes a look at connecting our brains to computers, and how this works is explained. We also take a look at the downsides of people connecting their brains, the technology being used today, and Elon Musk’s thoughts.

Continue reading “Uploading Memories: Elon Musk’s Brain Chip (Neuralink Future Technology)” »

May 19, 2022

Cartographers of the Brain

Posted by in categories: chemistry, neuroscience

Scientists are attempting to map the wiring of the nearly 100 billion neurons in the human brain. Are we close to uncovering the mysteries of the mind or are we only at the beginning of a new frontier?

PARTICIPANTS: Deanna Barch, Jeff Lichtman, Nim Tottenham, David Van Essen.
MODERATOR: John Hockenberry.
Original program date: JUNE 4, 2017

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May 19, 2022

Surveying for Habitable Interstellar Star Systems

Posted by in categories: alien life, futurism

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One day humanity might journey to new worlds and settle them, or discover life already on them, but first we’ll have to find those exoplanets under aliens suns.

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May 19, 2022

Super-sized atoms can be used as a receiver to stream live video

Posted by in category: particle physics

When excited by lasers, a tiny glass container filled with rubidium atoms can act as a receiver for streamed video signals.

May 19, 2022

Rare monkeypox outbreak in U.K., Europe and U.S.: What is it and should we worry?

Posted by in category: futurism

The cases point to possible sexual transmission of this cousin of smallpox — a previously unknown method of spread for monkeypox.

May 19, 2022

This $6,500, solar-powered electric car is coming to Europe in 2023 — see the Squad

Posted by in categories: sustainability, transportation

Squad city car. Squad Mobility. Dutch startup Squad Mobility unveiled its first car, the all-electric Squad. The tiny city car charges through a built-in solar panel and has 62 miles of driving range.

May 19, 2022

45 Years Later, Scientists Hone in on a Mysterious Alien Signal’s Origin

Posted by in category: futurism

A new study finds a few possible sources for the Wow! Signal, detected in 1977. The star, located 1,800 light years away, could be a good target for alien searches.