Recent content by emma149

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    Microscopy: what is the depth of field of a microscope

    what is the depth of field of a microscope and how is it different from the depth of focus of the microscope.
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    High School Landing a Spacecraft: Understanding Gravity in Space

    with respect to the moon.
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    High School Landing a Spacecraft: Understanding Gravity in Space

    how do space ships come to rest when they get into space?