ESP32-S3 FLIP particle fluid simulator runs in real time on an 8×8 matrix. The project includes an incompressibility solver, color presets, and performance/memory stats. Perfect as a fidget "potion ...
Jilted Generation Productions just dropped a cool free game on Steam called Unreal Physics. This is a 3D sandbox where you can experience all sorts of amazing physics demos made with Unreal Engine 5.