JJulian Neagu·2d agoI Built a 3D Chemistry Lab That Runs in Your Browser Perfect for StudentsA browser-based 3D chemistry simulator with 20 reagents, real-time pH and temperature meters, and 16 discoverable reactions built to let students experiment safely between textbook theory and supervised lab work14 min read·julianneagu.hashnode.dev
Wwahab.·3d agoi thought adding knees will help my walking bot but it backfired due to my own policiesI added knees to an evolving walking bot. Every test failed. Here's how joint limits, reward hacking, and flawed physics exposed my mistakes.8 min read·wahab-engineering.hashnode.dev21W
DDimon·Nov 2Kinewright Wheels: a map, a route, an honest noThe route stage: a map of what the sensors have seen, a grid route with replanning, exploration of the unknown, and an honest unreachable.6 min read·dimonb19a.hashnode.dev
DDipen Shah·Nov 1The Ghost in the Ledger: How Indirect Reciprocity and Public Reputation Solve the Stranger ProblemThe Dilemma Experiment — Episode 6: Indirect Reciprocity, Reputation & Gossip9 min read·techecho.hashnode.dev
DDimon·Oct 30Kinewright Humans: a step planner for starts and stopsA fixed-tick runtime with a journal replayed byte for byte, and a step planner that answers a command at the next touchdown inside the accepted clips.5 min read·dimonb19a.hashnode.dev
SSprited Dev·Oct 29We gave a tin-can robot two leather straps, and a cloth simulation it will never runSecondary motion for Materia's baked monsters: Verlet chains and cloth, air drag, a flag that wouldn't stop flapping, and why it all happens offline6 min read·blog.sprited.ai
DDimon·Oct 29Kinewright Wheels: stop, go around, admit the stallA local map from the rover's own sensors, candidates it can still stop on, two skills, and an honest stall when the goal is out of reach.6 min read·dimonb19a.hashnode.dev
DDimon·Oct 26Kinewright Wheels: one rover, eight sensesStage four: a room of obstacles and eight sensor models of a small rover's class, each with its rate, latency, blind cases and seeded noise.5 min read·dimonb19a.hashnode.dev
SStill Wet·Oct 25Sand, water and lava on a 96 x 96 grid: the island under Still WetVirtual pipes, an angle of repose and a worker that hands its buffers back6 min read·stillwet.hashnode.dev
DDipen Shah·Oct 25The Fortress of Geography: How Spatial Networks and 2D Grids Shield Cooperation from ParasitesThe Dilemma Experiment — Episode 5: Spatial Networks & Network Topologies8 min read·techecho.hashnode.dev