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  1. the planet Earth

    For the last... what, has it been about 6 years now?... I've been doing research on the planet Earth- geography, geology, that kind of thing.

    From what I can tell, there are at least three sets of Poles- Geographic, Magnetic, and Geomagnetic.

    This research has led me to do a lot of research on mathematics. Mathematics especially comes in handy with the geography research.

    I spent several years trying to familiarize myself with the islands of Alaska. ...
  2. Einstein's theories of relativity

    For the last few years, I've been doing research on Einstein's theories of relativity.

    I concluded that I needed a better understanding of mathematics.

    So, I started doing research on mathematics. During this research, I concluded that mathematics and logic are virtually one and the same thing. There certainly can't be a clear line where one ends and the other begins.

    I'm currently reading the book Mathematics: The Loss Of Certainty. Apparently, many ...
  3. research is frustrating

    I've been attempting to learn about Hispanics/Latinos and learn Spanish for a long time now.

    This is becoming more and more problematic, for various reasons.

    One thing is the concept of Mestizos. From what I understand, Mestizos are people produced by the interbreeding of Spaniards and American Indians.

    I'm certain that full-blooded Spaniards aren't Mestizos. Other Spanish-speaking peoples I'm confused about.

    Obviously, Spain doesn't have ...
  4. ultraviolet and infrared

    If I understand correctly, ultraviolet and infrared qualify as colors.

    They're supposed to be invisible to the human eye.

    This makes me wonder: Is it possible for objects to be ultraviolet or infrared? If so, are those objects invisible to humans?

    I just don't understand this.
  5. The Nahua

    From what I've read, there are a group of Indians indigenous to Mexico known as the Nahua.

    I'm just now starting to do research on them.

    Basically what I understand about them is that they generally don't consider themselves to be Hispanic/Latino and generally don't consider Spanish to be their language.