Martial Arts topics that I find of interest:

• Unbendable Arm (1995)

• Unbendable Arm ~ Extended Thoughts (2005)

• Notes on the Tai Chi training method called Ti Fang (1999)

• Five Principles of Competition Push Hands (2013)

• Chin and Li (2014)

• One Inch Punch (2014)

• The Wall Press (1998)

• The Feats of the Magnetic Girl Explained
  Article taken from Cassiers's Magazine, January, 1895

• No Li, Pure Steel (2015)

• Breathing during Ti Fang (2015)