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Author Insight
The Law of Two
Everything, absolutely everything is made up of opposites! A great classroom activity is to have students make lists of opposites and then to start categorizing those pairs. What kinds of opposites exist? What types of relationships are there between pairs of opposites? How many ways can something be an opposite? My middle school students have always loved this incredible thinking process!
Book Excerpt
Beyond Infinity
Before going into more about pi, I feel I have to pause for a moment to bring up something that is utterly fascinating. If you look out at the world, there are only two shapes that constitute everything we see. Just two. Straight lines and curves. We either perceive a straight line or a curve. I don’t want to get into the technicalities of whether something is ever actually straight or not, and what you may be using as a reference point. For now, I want to keep it simple. Look out the window. Look around the house or school. Look at images on a television. It doesn’t matter where you focus, everything is made up of straight lines and curves.
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