The app hosted at excalidraw.com is a minimal showcase of what you can build with Excalidraw. Its source code is part of this repository as well, and the app features: 📡 PWA support (works offline).

In high-school physics, we had to sketch diagrams that laid out all the different forces acting on an object. What if I could do the same, but for the economic pressures on a place? The Bay Area sits ...

adoc - Export in png and create an additional asciidoc file (with support external links). md - Export in png and create an additional markdown file (with support external links). Pull requests are ...

I have already written about LiquidPiston and its XTS-210, but Avadi's idea is even more striking: it is a reciprocating engine that works as a rotary. Imagine an ICE with a single piston.