Recent content by V-Tec

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    Simplifying Surds: Adding and Subtracting

    Ok here is my problem, I am not sure how to simplify surds with additions and subtractions in them such as ones like this: http://img212.imageshack.us/img212/474/math010iz.gif At the moment I have managed to simplify it to this: http://img212.imageshack.us/img212/2011/math026eg.gif...
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    High School Does the Moon's Gravity Attract Earth?

    How come the moon orbits facing the earth, while the Earth orbits and rotates?
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    High School How Can You Make Clear Ice in a Home Freezer?

    I'm not sure if this will work... What if you coat the boiled water with a layer of oil, and then freeze it? Presumably the oil in the water would stop air being transfered, but if you are using these 'airless icecubes' to consume then I think there is a bit of a health risk :smile: