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...simple and more complex shapes – if you’ve ever decorated a room you will be familiar with these skills already. It’s important to be able to work out area and perimeter accurately to ensure you buy enough of each material (but not too much to avoid wastage). Once your room is beautifully decorated, you’re going to need to plan the best layout for your furniture...

...simple sensors on board the device. Small meteorite impacts are hard to predict but remain rare. What causes the most damage is the the constant flux of radiation in the form of high energy particles. These particles cause permanent damage to electronics, which causes them to become unreliable over time and eventually fail. There are three main radiation sources in space....

...life on another celestial body, are we entitled to interfere with it? What would it mean for human societies if we found a form of life on another world that had evolved in a completely different way to the one we know about? These are complex questions that do not have simple answers. But they are questions we all can – and should – think about and try to answer....