How does the internet work?
Your messages and photos zoom around the world in tiny pieces. Find out how the internet carries them, and how to stay safe while you explore.
Ranki explainsAges 8+5 min
5 questions
How Things Work
Ranki loves to take things apart in her head. How does the internet send a message? How does a heavy plane stay in the air? Here are the answers, step by step.
How do planes fly?
A big passenger plane is heavier than a herd of elephants, yet it floats through the sky. Find out how wings, engines and air work together.
Tanki explainsAges 8+5 min
What is a robot?
Robots build cars, clean floors and drive around on Mars. Find out what makes a machine a robot, and where the word robot comes from.
Ranki explainsAges 6+4 min
How does electricity get to my home?
Flick a switch and the light comes on. Follow electricity on its long journey from the power station, along the grid and into your home.
Tanki explainsAges 8+5 min
How do magnets work?
Magnets pull without touching, and sometimes they push. Find out which things stick, what poles are, and why the whole Earth acts like a magnet.
Ranki explainsAges 6+4 min
Keep exploring