
Eron
@0xEronn • 6,987 subscribers
AI researcher & builder | Content creator |
Videos

William Tutte cracked Nazi's hardest cipher at 24. Decades later he published a paper called "How to Draw a Graph" — where the answer was just springs. Pin the outer boundary, convert every edge into a spring, let go. If the graph is polyhedral, the network untangles itself with zero crossing edges, every time. The reason it works: three-connectivity. Every node secured by at least three anchoring forces means no part can dangle, collapse, or fold. The same principle drives GPU mesh unwrapping in every AAA game — Tutte's spring equilibrium is literally how 3D artists flatten character skins into flat textures. Solving one linear system replaces 8,000 bouncing springs instantly. 22 minutes. Bookmark & watch today.
Eron51,527 görüntüleme • 13 gün önce

Jeff Hinton dismissed gradient descent in the 1970s because he thought models would get stuck. He won the Nobel Prize in 2024 partly for being wrong about that. Every time ChatGPT gets better after a training run, it's because 1.2 billion parameters fell through a wormhole in a loss landscape - not because they crawled downhill one step at a time. This video visualizes exactly what that looks like inside Llama 3.2. 20 minutes. Bookmark & watch today. The misconception that almost stopped AI is more interesting than the solution.
Eron129,810 görüntüleme • 1 ay önce

Heinz Hopf discovered this in 1931. Roger Penrose called it "an element of the architecture of our world." Eric Weinstein brought it up on Joe Rogan - and the silence in the room said everything. The Hopf fibration maps a 4D hypersphere onto a regular sphere using circles that never intersect but each links through every other exactly once. It shows up in at least 8 areas of physics - including the Bloch sphere geometry that every qubit in a quantum computer lives on. 6 minutes. Bookmark & watch today. The most important shape nobody talks about.
Eron122,022 görüntüleme • 1 ay önce

Hamilton spent 10 years trying to build a 3D number system. On October 16, 1843, walking across a bridge in Dublin, he realized he needed 4 dimensions instead - and carved the equation into the stone on the spot. Quaternions are what every robotics system, 3D game engine, and LLM positional encoding falls back on when rotation math gets hard. This video builds the full 4D geometric intuition using stereographic projection - the same trick that maps a sphere onto a flat screen. 30 minutes. Bookmark & watch today. The Alice in Wonderland connection alone is worth it.
Eron158,691 görüntüleme • 1 ay önce

A sphere in 100 dimensions has basically zero volume. Not small — effectively zero. This breaks every intuition humans have about geometry, yet LLMs operate in embedding spaces with thousands of dimensions where this math governs everything. The volume of an n-dimensional ball follows π^(n/2)/Γ(n/2+1) × r^n. It peaks around dimension 5, then collapses toward zero. By dimension 100, you get 2.37 × 10^(-40). Almost all the volume concentrates near the surface, not the interior — which is exactly why GPU-accelerated high-dimensional distance calculations behave so differently from 3D intuition. 50 minutes. Bookmark & watch today.
Eron43,657 görüntüleme • 16 gün önce

Someone built a full quantum atom simulator in C++ with GPU ray tracing - and it proves the model you learned in school is completely wrong. Electrons don't orbit. They exist as standing waves across 100,000 possible positions at once, rendered in real time using the Schrödinger equation. The probability clouds look nothing like the textbook diagram. 14 minutes. Bookmark & watch today. The actual physics is more beautiful than the lie they taught you.
Eron88,588 görüntüleme • 1 ay önce

Every GPU running Claude and ChatGPT is built from billions of these. A MOSFET is just a voltage-controlled switch - raise the gate voltage, current flows. Drop it, current stops. That's it. That's the entire foundation of modern computing. No moving parts, no chemistry, just a thin layer of silicon responding to an electric field. Trillion-parameter AI models are nothing more than this switch flipping on and off at 3 gigahertz. 10 minutes. Bookmark & watch today. One transistor. Infinite scale.
Eron101,787 görüntüleme • 1 ay önce

Every LLM you've used runs on physics governed by divergence and curl. Maxwell's equations — the complete theory of light, electricity, and magnetism — are just four statements written in this language. One of them says the divergence of the magnetic field is zero everywhere, which is the exact mathematical reason magnetic monopoles can't exist. Divergence measures how much a vector field acts as a source or sink at a point; curl measures how much it rotates. That's it. But those two tools describe predator-prey population dynamics, the phase spaces of any differential equation, and the loss landscapes your GPU navigates during backpropagation — any system where a vector tells you which direction things want to move. 13 minutes. Bookmark & watch today.
Eron25,061 görüntüleme • 11 gün önce

Your brain doesn't search through memories — it falls downhill on an energy landscape and lands in the nearest valley. This is the Hopfield network from 1982, and the same math now lives inside every transformer: the attention mechanism in modern LLMs is mathematically equivalent to a Hopfield network with exponential storage capacity. The idea: neurons are +1 or -1, connected by symmetric weights. Memories are local minima sculpted by Hebbian learning — neurons that fire together, wire together. Give the network a noisy input, and it descends toward the nearest stored memory one GPU-style majority vote at a time. Vanilla Hopfield nets cap at ~14% of neuron count as usable memories, but the modern extension blows past that. 23 minutes. Bookmark & watch today.
Eron22,378 görüntüleme • 10 gün önce

10,000 AI agents spent 88 hours to crack a millennium prize problem — and then spent another 17 verifying the proof in Lean, a programming language whose only job is to reject false logic. The result: Navier-Stokes equations can break. There exists a smooth, reasonable starting fluid that reaches infinite speed in finite time. The mechanism is a shrinking vortex: fluid spiraling inward spins faster as it contracts (same physics as a figure skater pulling in arms), while axial jets act as exhaust to prevent compression. LLM agents found what 90 years of human mathematicians couldn't — a configuration that concentrates faster than viscosity can smooth it out. 8 minutes. Bookmark & watch today.
Eron19,128 görüntüleme • 9 gün önce

In 1971 the US government funded a speech AI that used a hand-crafted knowledge graph of 14,000 nodes. It worked. Then hidden Markov models replaced it entirely by learning from data - and outperformed it by orders of magnitude. Richard Sutton called this the bitter lesson. In 2025 Sutton said LLMs are repeating the same mistake. Training on human-generated text is just a more sophisticated version of building human knowledge into the system. AlphaGo Zero - trained with zero human games, only reinforcement learning - discovered strategies experts called "from an alternate dimension." 22 minutes. Bookmark & watch today. The most important question in AI nobody is asking loudly enough.
Eron56,969 görüntüleme • 1 ay önce

As someone who ships LLM systems in production, this Laplace transform video is the closest thing to a "why Mamba beats transformers" explainer I've ever seen released for free. Everyone thinks attention is what makes LLMs powerful. Laplace proved in 1785 that any signal breaks into exponential pieces - locate the poles, expose the frequencies. Mamba and Claude run on this exact trick. 34 minutes. Bookmark & watch today. The math is older than the United States.
Eron67,007 görüntüleme • 1 ay önce

As someone who ships LLM systems in production, this hairy ball theorem video is the closest thing to a "why positional encoding in 3D robotics always breaks" explainer I've ever seen released for free. Everyone thinks orientation in 3D space is a solved problem. A theorem from 1912 proves there is always at least one direction where any continuous vector field hits zero — the exact reason every robotics LLM glitches at certain angles. 25 minutes. Bookmark & watch today. The math is older than the airplane.
Eron58,608 görüntüleme • 1 ay önce

Every waveform in nature is just exponentials added together. The Laplace Transform tells you exactly how much of each one — and that single idea turns unsolvable differential equations into basic algebra. ChatGPT, Claude, every robot arm and circuit on the planet runs on systems analyzed with this tool. Engineers don't solve equations by hand anymore. They read the poles. 19 minutes. Bookmark & watch today. This is the most useful transform in engineering.
Eron52,520 görüntüleme • 1 ay önce

Complex numbers aren't imaginary. They're the only way to describe a wave that has both amplitude and phase at the same time - and every LLM processes language as exactly that kind of wave through its attention layers. The same math that describes quantum wave interference is what makes Fourier transforms work, which is what lets GPT process tokens in parallel instead of one at a time. Descartes named them "imaginary" before anyone understood what they were. 20 minutes. Bookmark & watch today. The confusion clears up faster than any textbook manages.
Eron43,247 görüntüleme • 1 ay önce

Fourier wrapped a signal around a circle in 1822. Every Spotify equalizer, every noise filter in your AirPods, and every frequency layer inside ChatGPT runs on what he found. The trick is simple. Spin the signal at different speeds. When the spin matches a hidden frequency, the center of mass shifts. That shift is the answer. Claude and GPT use this same idea to separate relevant tokens from noise. 20 minutes. Bookmark & watch today. The math is older than the telephone.
Eron57,645 görüntüleme • 1 ay önce

A researcher went on vacation and left a model training. When they came back, it had suddenly solved modular arithmetic perfectly - not by memorizing answers, but by reinventing trigonometric identities from scratch. Nobody told it to. This is grokking - the moment an LLM stops memorizing and starts understanding. Anthropic found the same phenomenon inside Claude Haiku: a six-dimensional manifold tracking character count, with attention heads that detect exactly how close Claude is to a line break. 35 minutes. Bookmark & watch today. The only AI model anyone fully understands - and what it reveals about every LLM nobody does.
Eron36,272 görüntüleme • 1 ay önce

The first 10 trillion non-trivial zeros of the Riemann zeta function all sit exactly on the line where the real part equals 1/2. Every single one. And yet after 165 years nobody can prove it must be true - the Clay Institute offers $1 million for a proof. The prime numbers hidden inside these zeros are what make RSA encryption unbreakable - the same math that protects every LLM API key, bank transfer, and password on the internet. 38 minutes. Bookmark & watch today. The most beautiful unsolved problem in mathematics.
Eron33,509 görüntüleme • 1 ay önce

For 300 years mathematicians solved polynomials of degree 1, 2, 3, and 4 with increasingly complex formulas. Then they hit degree 5 and the formula simply doesn't exist - not undiscovered, provably impossible. The reason is group theory. The 5 solutions of a quintic can be scrambled in ways that no finite chain of nested roots can replicate - the same symmetry mathematics that underlies modern cryptography and the attention mechanism in transformers. 28 minutes. Bookmark & watch today. The proof is more beautiful than the formula would have been.
Eron34,543 görüntüleme • 1 ay önce

If P equals NP, every problem whose solution can be verified quickly can also be solved quickly. That would mean breaking RSA encryption, solving protein folding, and cracking every LLM safety measure are all equally easy - just a matter of finding the right algorithm. Most computer scientists believe P does not equal NP but nobody can prove it. The Clay Institute offers $1 million for a proof either way. Every time an LLM solves a hard reasoning problem, it's implicitly operating somewhere in the gap between these two complexity classes. 20 minutes. Bookmark & watch today. The most important unsolved problem in computer science.
Eron22,296 görüntüleme • 28 gün önce