The Skeptical Teacher’s recent post on this very topic got me to pondering ki once again. For those of you that are new to this blog, ki is a topic I visit on occasion.
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When I used to break in competition I used to pscyh myself up by running through a few simple facts of human physiology and physics: Bone is denser than concrete or pine wood and force is mass times acceleration. If my targeting was on and I was calm I could generate the required speed to break stuff and I could do it consistently. Reverse time a few hundreds years when science was still lacking and I have to suspect that the best explanation of the day for some of these feats was ki.
Anyhow, here’s a video that captures some martial artists who still might believe in ki. While you watch it I challenge you to consider this: Might something else besides ki explain what you are seeing?