Technology Education
Knowledge Hub: Learn How Technology Works
Build a practical understanding of digital technology through clear, structured guides. Each explainer starts with the basics, follows how the system works, and connects the concept to familiar online experiences.
8 published explainers · Beginner-friendly · No account required
Browse
Explore the Knowledge Hub
Start with Tech Explained for plain-language guides to the systems and concepts behind modern digital products.
Recently Published
Latest technology explainers
How DNS Works
Learn how the Domain Name System turns domain names into IP addresses, how a DNS lookup moves through resolvers and authoritative servers, and how records, caching, TTL, DNSSEC, and encrypted DNS work.
Read explainer
How Search Engines Work
Learn how search engines discover, crawl, render, index, retrieve, rank, and present webpages—and how SEO, AI answers, and privacy fit into the process.
Read explainer
What Happens When You Type a URL?
Follow a URL through parsing, DNS, TCP or QUIC, TLS, HTTP, server processing, caching and browser rendering until a webpage becomes interactive.
Read explainerLearning Format
From definition to real-world context
Every guide is organized to answer three practical questions without assuming specialist knowledge.
What is it?
A clear definition and the essential ideas needed before moving into technical details.
How does it work?
A structured walkthrough of the components, requests, data, or processes involved.
Why does it matter?
Examples that connect the concept to websites, apps, search, communication, or daily digital life.
Educational scope
Knowledge Hub guides are introductory educational resources. Technology changes over time, and implementations vary between products. Use current official documentation and primary sources for security decisions, specifications, production implementation, or other high-stakes technical work.
FAQ