Recent content by emma149

  1. E

    What is the difference between depth of field and depth of focus in microscopy?

    what is the depth of field of a microscope and how is it different from the depth of focus of the microscope.
  2. E

    High School Landing a Spacecraft: Understanding Gravity in Space

    with respect to the moon.
  3. E

    High School Landing a Spacecraft: Understanding Gravity in Space

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