Section A ("A. Scalar Fields and How We Represent Them") begins with "A field is a function that has a different value at every point in space."
This definition is a bit misleading: the value does not have to be different at every point.
"...being racist against white people doesn't really mean much..."
In case you didn't know: these words incite hate towards a group of people based on their skin color. In other words, you are advocating racism. You've just exposed yourself as a racist.