Karate & The 80/20 Principle Some might call me evil, but I don’t care. If a kid screams and misbehaves during Karate class, I will h...
Sensei Hick’s Golden Law At the age of 14 or 15, I was standing in a half empty hallway in my junior high school, talking to a classmat...
The Peltzman Effect Have you ever watched CSI? The TV-show about Crime Scene Investigators? You can actually learn pretty much fr...