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The invention of the microscope completely changed people's view of their surroundings.  They suddenly became aware of an invisible parallel world - with tiny creatures that caused some of our previously mysterious ...

DIY Microscope

Exploring Space

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Space food has changed a lot in the past few decades, and can now be quite similar to the food that you eat on Earth.  Whether you want to plan a space-themed picnic, or are just interested in the food technology, this ...

Space Food

Living in Space

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As a twist on the classic phrase, the International Space Station (ISS) is occasionally described as the only man-made thing in space that is visible from the Earth.  It's only visible under certain conditions, but when it ...

Photographing the ISS

Exploring Space

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Rockets come in all shapes and sizes; but why not start at a tiny size - using things that you already have or can buy with loose change. Alka Seltzer Rocket The Alka Seltzer rocket rocket is a classic science ...

Tiny Rockets

Exploring Space

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Computers can seem massively complicated, and they are.  However, the foundation of computers is fairly simple to understand, and even for you to recreate yourself at home.  If you can get your head around the fact that ...

Foundation of Computers

Exploring Space

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It's ironic that while highly advanced telescopes are peering into deep space, most people in the industrialised world see less stars than ever before.  City lights and indoor lifestyles mean that some rarely see the beauty ...

Photographing Stars

Exploring Space

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You might not know it, but you already have everything you need in order to write simulations.  Namely the browser that you are viewing this webpage with, and a text editor - which are included with every operating ...

Make your own Physics Simulations

Simulations

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You might think that driving a rover on another planet is similar to driving a radio controlled car on Earth.  In some ways it is - control signals are sent from Earth as radio waves, which the rover receives and ...

Introduction to Rover Driving

Exploring Space, Simulations

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Water is vital for every living organism that we know about, and if humans are ever to set up permanent residence away from the Earth we'll need to make sure that we have a good supply of it.  Fortunately, we now know that ...

Electrolysis of Water

Living in Space

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The term "Hydroponics" is fairly familiar nowadays, and is often explained simply as growing plants in water instead of soil.  In traditional farming and home growing, the soil fills a number of functions.  It provides ...

Basic Hydroponics

Living in Space

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Open Simulator (or OpenSim) is an open source, 3D, virtual environment simulator.  Basically it allows you to create game-like environments that several people can share at the same time.  The articles in this series will ...

Open Simulator

Simulations

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Kerbal Space has many great points, but also a few things to be wary about.  For example it's a game that isn't technically finished yet.  In fact, "game" probably isn't the correct word.  Although the graphics look ...

Kerbal Space

Simulations