Learn & Understand
Technology explained simply, for everyone. No experience needed: just curiosity.
Tech Fundamentals
All 15 articlesThe building blocks: the internet, IP addresses, routers, servers, browsers and the cloud.
What is the internet, really?
The internet is not a cloud in the sky. It is millions of connected networks, joined by cables and agreed rules. Here is how it fits together, in plain English.
6 min read · Beginner
What's an IP address, and should you worry about yours?
Every device online needs an address so data knows where to go. Here is what an IP address is, what it reveals about you, and what it does not.
6 min read · Beginner
Router or modem? What the box in your hallway really does
Modem and router are often used as if they mean the same thing. They do different jobs, and knowing which is which makes fixing your broadband much easier.
6 min read · Beginner
How Technology Works
All 10 articlesWhat really happens when you open a website, use Wi-Fi, follow GPS or send an email.
What happens in the second after you open a website
Type an address, press Enter, and a page appears. Behind that moment is a quick chain of look-ups, a secure handshake and a lot of fetching. Here it is, step by step.
7 min read · Beginner
How Wi-Fi works, and how to make yours better
Wi-Fi sends data through the air as radio waves between your router and your devices. Understanding that one fact explains most slow spots, and how to fix them.
7 min read · Beginner
How does your phone know where you are? GPS explained
Satellites high above Earth help your phone find your position to within a few metres. Here is how that works, why it struggles indoors, and how to control who sees your location.
6 min read · Beginner
AI & Technology
All 10 articlesArtificial intelligence in plain words: what it is, how chatbots work and how to use AI safely.
What is AI, simply?
Artificial intelligence is everywhere in the news, but what actually is it? A plain-English explanation with no maths and no jargon.
6 min read · Beginner
How do AI chatbots work?
AI chatbots can write emails, answer questions and hold a conversation. Here is what is really happening when you type a message and get a reply.
7 min read · Beginner
Using AI tools safely
AI assistants are handy, but what you type can be stored and what they say can be wrong. Simple habits to protect your privacy and avoid mistakes.
7 min read · Beginner
Tech Guides
All 10 articlesPractical guides to stay safe online: scams, passwords, 2-step verification, shopping and children.
How to spot scam messages
Fake delivery texts, "your account is locked" emails and "Hi Mum" messages all follow the same patterns. Learn the warning signs and what to do.
7 min read · Beginner
Strong passwords made easy
You do not need to memorise dozens of complicated passwords. Three random words and a password manager will keep your accounts far safer with less effort.
7 min read · Beginner
Turn on 2-step verification
A stolen password should not be enough to get into your accounts. 2-step verification adds a second lock, and it only takes a few minutes to switch on.
7 min read · Beginner
Comparisons
All 20 articlesSide-by-side comparisons of technologies people often mix up, with a simple table and which to choose.
Switch vs Router: what is the difference?
A switch connects devices inside one network; a router connects different networks together. Here is the difference in plain words, with a table and when you need each.
5 min read · Beginner
Hub vs Switch: what is the difference?
Hubs repeat everything to every port; switches send traffic only where it needs to go. Why hubs disappeared and switches took over.
5 min read · Beginner
TCP vs UDP: what is the difference?
TCP is reliable and ordered; UDP is fast and simple. What each protocol does, a clear comparison table, and which applications use which.
5 min read · Beginner
