Explore the core mechanisms and powerful features of Node.js in this JSConf Iceland 2016 talk by Azat Mardan. Dive deep into Event Loop, Streams and buffers, Process and global, Event emitters, Clusters, AsyncWrap, Domain and uncaughtException, and C++ addons. Learn why Node.js is fast and scalable, understand its non-blocking I/O architecture built on the Google Chrome V8 engine, and discover how it handles asynchronous operations efficiently. Gain insights into Node's single-threaded nature, the power of streams for continuous data chunking, and methods for scaling a single-threaded system. Explore error handling in asynchronous environments and the use of C++ addons to extend Node's capabilities. Whether you're a seasoned Node.js developer or just getting started, this 34-minute talk offers valuable knowledge to enhance your understanding and utilization of this popular JavaScript runtime.