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Inside the Gigantic Universe

Physicist Jim Al-Khalili explores the incomprehensible scale of the universe. A cosmic journey into the laws of gravity, relativity, and the formation of supergalaxies. Discover how the largest structures shape our understanding of the cosmos itself.

Director: Tim Usborne.
Writers: Jim Al-Khalili, Tim Usborne.
Stars: Prof. Jim Al-Khalili (Physicist, Presenter)
Genre: Science Documentary, Physics, Cosmology.
Country: United Kingdom.
Language: English Also Known As: Secrets of Size: Going Big (BBC)
Release Date: 2022
Filming Location: United Kingdom / Various International Locations.

Synopsis:

In this second episode of the fascinating series Secrets of Size, Professor Jim Al-Khalili takes us on a cosmic journey into the immensity, exploring the largest scale of the universe.

We leave behind the quantum realm to focus on the forces that govern the largest structures: gravity and relativity. Al-Khalili explains how these laws shape the existence of galaxies, galaxy clusters, and the immense supergalaxies.

The episode reveals the incomprehensible scale of the cosmos, where time and space are distorted, and how the study of these giants allows us to understand the origin, evolution, and perhaps the ultimate destiny of the universe itself.

Continue reading “Inside the Gigantic Universe” | >

Teaching NeuroImages: Sacral Dural Arteriovenous Fistula With Supply From Bilateral Lateral Sacral Arteries

Teaching NeuroImages case: A 51-year-old man presented with a 3-month history of progressive lower extremity weakness and numbness, starting distally and progressing proximally, accompanied by mild gait difficulty but no bowel/bladder symptom. Read the full case.

Download PDF and Supplementary Material Download is in progress.

Elon Musk: What’s Outside the Simulation?

Video Credit: @lexfridman.

About this video:
In this video, Elon Musk joins Lex Fridman to discuss one of the most profound questions of our time: Are we living in a simulation?
When asked what single question he would pose to an Artificial General Intelligence (AGI), Musk delivers a mind-bending response that challenges our entire perception of reality.
He dives deep into the Simulation Theory, questioning what exists beyond the “digital” boundaries of our universe and whether we can ever truly know the truth.
If you’ve ever wondered about the Matrix, the future of AI, or the mystery of existence, this conversation is a must-watch!

Hashtags:
#elonmusk #elonmuskinterview #lexfriedman #simulationtheory #simulation #agi #ai #artificialintelligence #matrix #sciencefacts #universesecrets #technews #markuspodcast.

Disclaimer:
All the videos, songs, images, and graphics used in the video belong to their respective owners and I or this channel don’t claim any rights over them.
Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for fair use for purposes such as news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statutes that might otherwise be infringing. Non-profit, educational, or personal use tips the balance in favor of fair use.

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Are Faster-Than-Light Messages Already Reaching Us?

What if the universe is already sending messages faster than light… and humanity has been too primitive to recognize them?

In this episode of Divergent Files, we investigate one of the most disturbing possibilities in modern physics: that information may already be moving beyond the speed limit we were taught could never be broken.

Quantum entanglement. Nonlocality. Unexplained cosmic bursts. Declassified research into remote viewing, anomalous cognition, and consciousness. Different fields. Different languages. Same uncomfortable pattern.

Something may be traveling farther, faster, and stranger than our current models can fully explain.

This is not a claim of proof.

It’s a grounded investigation into the science, the anomalies, and the classified edges of research that all point toward the same question:

Continue reading “Are Faster-Than-Light Messages Already Reaching Us?” | >

Abstract: Glioblastoma remains profoundly resistant to current immunotherapeutic strategies

Here, Fanghui Lu & team report OLIG2, a master transcription factor in glioblastoma stem cells, enables immune evasion by suppressing CXCL10. And, targeting OLIG2 overcomes immunotherapy resistance and improves survival.

1Department of Cancer Center, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.

2Department of Neurosurgery, Key Laboratory of Major Brain Disease and Aging Research (Ministry of Education), The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.

3School of Basic Medical Sciences, Chongqing Medical University, Chongqing, China.

Life on Generation Ships: A Journey Through the Stars Across Centuries

In this video, we explore one of the most fascinating concepts in interstellar travel: **generation ships**, massive spacecraft that would carry human civilizations across the stars, with journeys lasting hundreds or even thousands of years. As humanity dreams of traveling beyond the solar system, the idea of generation ships offers a possible solution to the immense distances between stars—a journey that could span multiple human lifetimes.

Join us as we dive deep into the science, challenges, and philosophical questions surrounding these massive space-faring habitats.

What you’ll learn in this video:

**The Structure and Design of a Generation Ship**: Discover how these spacecraft could be built to support life for centuries, from creating artificial gravity to maintaining a self-sustaining ecosystem. We’ll explore the futuristic technologies, such as nuclear fusion engines and advanced life support systems, that could make these ships possible.

**Daily Life Aboard a Generation Ship**: What would day-to-day life look like on a ship traveling through deep space for centuries? We’ll talk about the work, education, and entertainment that would keep future generations engaged. How would people handle the psychological strain of never seeing Earth or their final destination?

**Society and Governance**: How would politics and society evolve in the isolated, confined world of a generation ship? We explore the potential for new social structures, systems of governance, and the ethical dilemmas surrounding generations born aboard who may have never chosen this life.

Continue reading “Life on Generation Ships: A Journey Through the Stars Across Centuries” | >

Abstract: Presenting a cutting-edge discovery on the mechanisms by which immune cells influence health and disease at the later stages of cerebral ischemic stroke

Here, Chuan Qin & team use complementary models in experimental ischemic stroke, showing early post-stroke stages in which microglia recruit B cells into ischemic lesions through MIF/CD74/CXCR4, while later stage post-stroke effects involve interferon signaling in B cells that drives neuroinflammation and brain injury:

The image shows B lymphocytes (Green) in mouse dura tissue colocalizing with CD31+ blood vessels (Red).

1Department of Neurology, Tongji Hospital, Tongji Medical College and State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases;

2Key Laboratory of Vascular Aging, Ministry of Education, Tongji Hospital of Tongji Medical College; and.

3Hubei Key Laboratory of Neural Injury and Functional Reconstruction, Huazhong University of Science and Technology, Wuhan, Hubei, China.

Andrew Yang: UBI Before UHI

Solving Job Loss, and the Future of Work ## Andrew Yang advocates for the implementation of Universal Basic Income (UBI) as a necessary solution to address job loss, income inequality, and societal unrest caused by technological advancements and AI-driven changes in the economy ## ## Questions to inspire discussion.

Universal Basic Income Implementation.

🔹 Q: What UBI amount should be set to provide an effective safety net?

A: UBI should be set at twice the poverty level, around $25,000 per person per year, providing enough for survival but not happiness to maintain work incentives while protecting against economic collapse.

🔹 Q: How can UBI be funded without government action initially?

A: Well-resourced tech billionaires could fund UBI directly to local communities to keep the middle class afloat during AI-driven changes, potentially catalyzing further philanthropy and government action.

Continue reading “Andrew Yang: UBI Before UHI” | >

Eye tracking and brain signals reveal how some skills become second nature

Expertise isn’t easy to pass down. Take riding a bike: A seasoned cyclist might talk a beginner through the basics of how to sit and when to push off. But other skills, like how hard to pedal to keep balanced, are more intuitive and harder to articulate. This implicit know-how is known as tacit knowledge, and very often, it can only be learned with experience and time.

But a team of MIT engineers wondered: Could an expert’s unconscious know-how be accessed, and even taught, to quickly bring a novice up to an expert’s level?

The answer appears to be “yes,” at least for a particular type of visual-learning task.

Mysteries of Math and the Langlands Program — Episode 1

The first in a series of 4 lectures by Edward Frenkel filmed at MSRI, Berkeley and broadcast on the Japanese TV channel NHK in the Fall of 2015 in the “Luminous Classroom” series. The lectures went from elementary topics such as Pythagoras theorem, prime numbers and symmetries to Fermat’s last theorem and the general Langlands conjectures, and to the recent work connecting the Langlands Program to Quantum Physics. Even though the Intro is in Japanese, the lecture itself is in English.

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