The Lorenz Attractor and Five Other Chaos Systems You Can Rotate in 3D
What chaos actually means, why two nearly identical starting points end up in different places, and a free 3D simulator for the Lorenz, Rössler, Thomas,…
Peter Kalafatis
Orbital Ricochet: A Peg-Bouncing Physics Arcade With Gravity Wells, Combo Ladders and a Level Builder
Orbital Ricochet is a free browser arcade game: fire a ball into a field of pegs, clear every golden orb, and bend shots around gravity…
Wave Interference and the Double-Slit Experiment, With a Simulator You Can Run
How waves add and cancel behind two slits, why the pattern builds up even one particle at a time, and a free browser simulator that…
Bird flu, egg prices and restaurant menu prices in US CPI data: HPAI layer losses, retail and producer egg prices, and full-service and limited-service meal CPI, 2005–2026
USDA APHIS confirmed 152.4 million commercial table-egg layers lost to HPAI, February 2022 to September 2026. Retail egg prices rose about 21% two months after…
Erosion Simulator: Watch Rain Carve a Random Mountain Into River Valleys
A particle hydraulic-erosion simulator: raindrops run downhill over a noise terrain, pick up and drop sediment, and carve drainage networks out of nothing.
Anthropic’s S-1 and OpenAI’s $1.25 Trillion Round: Two Valuations at Different Stages
OpenAI reportedly raised $11B at $1.25T while Anthropic’s S-1 is public. What each valuation rests on, and how the $80B net loss splits in two.
Fur Simulation: 60,000 GPU Hair Strands, Shell Layers and the Light Model Behind a Fluffy Blob
An interactive 3D fur simulation that draws up to 60,000 GPU hair strands over 64 shell layers and lights each one with a Marschner-inspired hair…
Enterococcus exceedances, closures, and rainfall at New York State Park beaches on Long Island: Eleven bathing seasons at 15 OPRHP beach stations, 2015–2025
Eleven bathing seasons (2015–2025) of water-testing and status records for the 15 New York State Park beach stations on Long Island: 4.5% of samples exceeded…
Fluid Simulator: Stir the Navier–Stokes Equations in a Browser Tab
A WebGL fluid simulator built on Stam’s Stable Fluids, with dye, vorticity and pressure views, and the 2026 claim that the Navier–Stokes problem is solved.
Frontier AI Safety Laws in Three States: California, New York and Illinois Compared
California, New York and Illinois each regulate frontier AI developers. How their incident clocks, penalties and Illinois’s audit rule compare.