Technology
WebAssembly for Portable High-Performance Computing in Browsers
Quick fact
WebAssembly was designed to be a compilation target so that code written in C, C++, Rust, and other languages can run at up to 80-90% of native speed in a browser.
Why this is interesting
You can run a full 3D game or a video editor right in your browser, but how does it run so fast when JavaScript is notoriously slow?