How It Works
How GPS Knows Where You Are
Atomic clocks in orbit, trilateration, and the mathematics of time signals — a clear explanation of how satellite navigation locates you to within metres.
How It Works
4 articles
How It Works
How a CPU Executes Code
Inside the fetch-decode-execute cycle — how a processor turns lines of code into billions of operations per second, and why clock speed is only part of the story.
How It Works
What Happens When You Send an Email
From the moment you hit Send to the moment it lands in an inbox — the full journey through DNS lookups, SMTP relays, spam filters, and mail servers.
How It Works
How Wi-Fi Actually Works
Radio waves, frequency bands, authentication handshakes, and why you sometimes need to stand closer to the router — a complete explanation.