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New evidence suggests Einstein’s cosmic constant may be wrong

Dark energy may be evolving—hinting that the universe’s ultimate destiny could be far stranger than we ever imagined. Astronomers are rethinking one of cosmology’s biggest mysteries: dark energy. New findings show that evolving dark energy models, tied to ultra-light axion particles, may better fit the universe’s expansion history than Einstein’s constant model. The results suggest dark energy’s density could be slowly declining, altering the fate of the cosmos and fueling excitement that we may be witnessing the universe’s next great revelation.

Dark energy, the mysterious force thought to drive the universe’s accelerating expansion, remains one of the deepest puzzles in modern physics. For years, the leading explanation has been that this energy is constant – an unchanging property of empty space responsible for cosmic acceleration. But recent evidence has scientists rethinking that assumption.

Last year, results from the Dark Energy Survey (DES) and the Dark Energy Spectroscopic Instrument (DESI) caught the attention of cosmologists by suggesting that dark energy might not be fixed after all. “This would be our first indication that dark energy is not the cosmological constant introduced by Einstein over 100 years ago but a new, dynamical phenomenon,” explained Josh Frieman, Professor Emeritus of Astronomy and Astrophysics.

Diverse particles form identical geometric patterns when confined, model reveals

Particles as different as soap bubbles and ball bearings can be made to arrange themselves in exactly the same way, according to a new study that could unlock the creation of brand new materials—including those with promising biomedical applications.

The international study, involving Professor Simon Cox from Aberystwyth University, reveals how diverse particles self-organize into identical geometric patterns when confined. The work is published in the journal Physical Review E.

The discovery could help scientists design for medical use—including in smart drug delivery systems and targeted therapies. It could also offer valuable insights for , where understanding how biological cells arrange themselves in tight spaces is essential for developing effective scaffolds and regenerative treatments.

How Do Your Age and Diet Influence Your Thinking?

Having too many fat cells can lead to low-grade, body-wide inflammation that underlies brain aging.

Chronic venous insufficiency due to obesity may impair cognitive function.

It’s never too late to positively impact brain aging by losing weight.

Mind wandering, confusion, and a reduced ability to focus thoughts are classic early symptoms of obesity related cognitive decline.

From Moore’s Law to Market Rivalry: The Economic Forces That Shape the Semiconductor Manufacturing Industry

Executive Summary Semiconductors are the foundational technology enabling virtually every aspect of contemporary economic activity, from artificial intelligence and cloud computing to medical devices and…

This neural interface writes code from my brain waves… — YouTube

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I gave Claude Code full access to my mind to find out if it’s really possible to vibe code straight from the dome using the Neurosity Crown. Let’s run it…

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🔗 Resources.

Continue reading “This neural interface writes code from my brain waves… — YouTube” | >

Nuclear startup that’s suing NRC raises $130 million with backing from Anduril’s Palmer Luckey and senior Palantir executive

Doug Philippone, co-founder of Snowpoint and former head of global defense at Palantir, will also join Valar’s board of directors.

Valar is one of several nuclear startups that hopes to benefit from President Trump’s push to deploy new reactor technology in the U.S. by cutting regulations and accelerating approvals.

Based outside Los Angeles, Valar is one of several reactor developers and states that are suing the Nuclear Regulatory Commission over its licensing process for small reactor designs. The parties to the suit are seeking a resolution with the NRC in the wake of Trump’s executive order that would overhaul the regulator. The case has been temporarily paused due to the government shutdown.

Homoploutia: Income and Wealth Inequality in the U.S.

The rich in the U.S. just keep getting richer. Over the five decades, incomes have risen materially faster at the very top than anywhere below, and similarly, wealth has accumulated much more quickly at the top than anywhere below. A report from the Stone Center On Socio-Economic Inequality (at CUNY) looks at the mutually-reinforcing relationship between these two dynamics…

Homoploutia describes the situation in which the same people (homo) are wealthy (ploutia) in the space of capital and labor income in some countries. It can be quantified by the share of capital income rich who are also labor income rich. In this paper, we combine several datasets covering different time periods to document the evolution of homoploutia in the United States from 1950 to 2020. We find that homoploutia was low after World War II, has increased by the early 1960s, and then decreased until the mid-1980s. Since 1985 it has been sharply increasing: In 1985, about 17% of adults in the top decile of capital income earners were also in the top decile of labor-income earners. In 2018 this indicator was about 30%. This makes the traditional division between capitalists and laborers less relevant today. It makes periods characterized by high interpersonal inequality, high capital-income ratio, and high capital share of income in the past fundamentally different from the current situation. High homoploutia has far-reaching implications for social mobility and equality of opportunity. We also study how homoploutia is related to total income inequality. We find that rising homoploutia accounts for about 20% of the increase in total income inequality in the United States since 1986…

Note that the report was written in the 2020 (and published in The Review of Income and Wealth in 2023). The dynamic has continued since; the polarizing impact has grown.

Building quantum computers with advanced semiconductor fab

IBM Quantum Nighthawk is IBM’s most advanced quantum processor to date, engineered specifically to achieve “quantum advantage” by the end of 2026—when a quantum computer can solve a practical problem better than any classical-only method. Key capabilities.

An inside look at how IBM® is using state-of-the-art 300mm semiconductor fabrication technology to build the future of quantum hardware.

Flu vaccine performance varies by age, study reveals

New research comparing four different flu vaccines found that the ability of the vaccines to activate cells of the immune system that help to protect against infection varied greatly depending on the vaccine type and age of the patient. Researchers say these findings have the potential to guide vaccine recommendations, especially for older adults.

The 2024–2025 flu season was considered highly severe, causing at least 47 million illnesses, 610,000 hospitalizations, and 27,000 deaths.

A new study, published in The Journal of Immunology, found that while all four seasonal vaccines produced similar antibody levels, their ability to activate cellular immunity varied greatly depending on the vaccine type and age group.

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