Accelerating the Wrist in a Cut – It Doesn’t Work!
Despite what you may want to believe, you CAN NOT have acceleration at the wrist and a locked structure at the moment of contact!
Physics
Why Does my Gear Crack in Half?
Learn about the exciting life cycle of cracks! From infant little microfractures to all grown up break-my-new-feder cracks.
Steel: What?
Steel is a good choice for swords. But what is it in the first place?
Steel: Why?
What makes steel a good material for swords? There isn’t just one reason, steel just happens to be right in the middle of a bunch of desirable properties.
What makes a sword stiff?
Stiffness of a training simulator is something that is often thrown around to help determine its safety. But what makes something that way?
Tatami Ballistics
What does it matter how a tatami falls down? When the fall is all that’s left, it matters a great deal.
Geometry Grab Bag
A small collection of things too small to deserve their own article.
Control Theory
You don’t have to understand crazy math with imaginary numbers to appreciate the principles of control theory. They can be applied to sword fighting, and might give you a different perspective on your training or interpretations.
Sword cutting… and how the target pushes back!
When cutting, the sword exerts force on the target, and the target exerts force right back on the sword. This force is what causes cuts to be less effective, and possibly fail. And where does it come from?
What Does Hitting Hard Mean?
From a physics point of view hitting ‘hard’ can be a somewhat difficult property to quantify. Learn a little bit about what can make a strike ‘hard’.