#Ohm’s law can break down in materials lacking inversion symmetry, leading to nonlinear currents and quadratic voltage responses—unlocking new pathways for spintronics and microscale RF devices. @NatureMaterialsdoi.org/g9r7cnphys.org/news/2025-07-o…
Question authority. No idea is true just because someone says so. Test ideas by the evidence gained from observation and experiment! If a favorite idea fails a well-designed test, it's wrong.
Andrej Karpathy calls large language models the new computing paradigm:
CPU -> LLM
bytes -> tokens
RAM -> context window
this is the large language model OS (LMOS)
Water signatures have been found 780 million years after the Big Bang, but new simulations suggest it formed hundreds of millions of years earlier.
sciencenews.org/article/water-…
You have probably seen the famous bell curve hundreds of times before.
It is often referred to as some sort of “probability”. Contary to popular belief, this is NOT a probability, but a probability density.
What are densities and why do we need them?
Much more work is needed before this is really a robust result (paper forthcoming, hopefully by the end of the year), but the initial findings are clear:
Spacetime discreteness may be observationally detectable in things like quasar luminosities. (1/6)
This is Thomas Seyfried.
He's a scientist who's dedicated 30+ years to researching cancer.
His message? Cancer IS preventable.
It's caused by lifestyle factors, not genetics.
Here are Seyfried's 7 MOST important rules for preventing cancer:
It is Monday morning, and I'm open sourcing another high quality dataset today.
Over 21.5K samples, generated with Claude Opus. It has Orca style system prompts to elicit different reasoning traces.
huggingface.co/datasets/migti…
Enjoy!
I'm currently working on massive panoramas of our skies. They're more work than traditional astrophotography images, and are forcing me to learn a lot about the craft.
Here's a small segment of one of them, showing the neighboring Andromeda galaxy. The color is 100% accurate.
The SARS-CoV-2 virus. Imagine such complexity evolving from the primordial soup. Imagine the biology, chemistry, physics, and even math involved as the virus arose, through the eons, from hydrogen created in the Big Bang.
Source: bit.ly/3QEmpQC
Here’s the time-lapse I promised you from yesterday’s solar activity. Complete with Earth to scale and a bonus of the sun’s rotation.
This is easily one of my cleanest time-lapses I’ve managed over such a long period. Enjoy!
Venció el lapso legal y el Consejo Nacional Electoral de #Venezuela no publicó los resultados finales de las elecciones presidenciales.
En consecuencia, no puede haber una resolución vinculante que proclame a Maduro como presidente.
Hay un vacío constitucional.
Me acabo de dar cuenta de un detalle matemático en los números que dio el CNE.
Si dividís votos/porcentaje en los dos candidatos te da exactamente el mismo número: 100.587,73.
Hay una correspondencia exacta en la proporcionalidad. No hubo redondeo.
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28K Followers 2K FollowingThe Wyss Institute seeks to transform engineering, medicine and the environment by creating new materials and devices using Nature’s design principles.
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