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Imagine being tasked with exploring a vast underground cave system where no human has ever been before. Narrow passages, uneven ceilings, jagged rocks and sudden drops make it far too dangerous for people to enter. Instead, scientists use autonomous drones…
Long before radios and GPS, sailors relied on teamwork, experience and a good rhythm to keep a ship moving. One tradition that became famous around the world was the sea shanty. These songs were sung by crews as they hoisted…
Finding the shortest route between two places might sound like a simple task, but when a network contains hundreds or even millions of possible paths, computers need an efficient way to decide which route to follow. This is where search…
Every time you use a sat nav, plan a journey on a map app, or search for the fastest route across a transport network, you are using ideas from graph theory. A road map can be represented as a graph:…
Not every digital image is stored as a collection of coloured pixels. While photographs and pixel art are usually saved as bitmap images, many logos, icons, maps and illustrations are created using a completely different method called vector graphics. Instead…
Every photo, icon, emoji and piece of pixel art you see on a computer has to be stored digitally. But have you ever wondered how a computer can save an image using nothing more than 1s and 0s? One of…
Have you ever wondered how your computer or smartphone stores music, podcasts or voice recordings? Although sound travels through the air as a continuous (analogue) wave, computers can only store digital data made up of 1s and 0s. So how…
Put your programming skills to the test with this interactive Trace Table Challenge! Whether you’re learning to code or preparing for your GCSE Computer Science exams, trace tables are one of the most useful techniques for understanding exactly how an…
Put your knowledge of the main CSS selectors and properties to the test with this interactive CSS Selector & Property Builder! Complete a series of drag-and-drop challenges to demonstrate your skills in styling HTML web pages using CSS. Choose the…
Put your knowledge of the main HTML tags to the test with this interactive HTML Tag Builder! Complete a series of drag-and-drop challenges to demonstrate your skills in building the HTML code needed to create basic web pages. Practise using…
LMC Simulator
Logic Gates Circuits
Network Designer
Flowchart Studio
Online Python IDE