Monthly Archives: October 2014

Actually (to clarify the last post a bit), this began much earlier, but the photos from that phase aren’t digital, and I’ll eventually have to dig them out and scan them.  For now, the brick part is original and we … Continue reading →

Trigonometry, once you understand the basics, is fairly easy to use.  The sine curve/cosine curve model works great for electrical engineering, but isn’t very useful for building math.  Really, just the ++ quadrant of a unit circle is sufficient for every … Continue reading →