Straight from the... er... horses' mouth.

• What is Anodizing:
  How it's formed, why it comes in such cool colors, and why it can't be done to other metals.
  

• Cold Weather Survival:
  Playing Paintball when it's below freezing? That's no reason not to have fun!
  

• HPA Fillstation Use:
  Fill your own gun tank off a bulk Nitrogen or SCUBA air tank, safely and properly.
  

• Setting Regulator Pressures:
  Setting a reg for the gun's optimum pressure, plus setting both primary and secondary regs.
  

• How a Regulator Works:
  Just how does a regulator turn 3,000 psi into 250 psi?
  

• Just for Fun:
  Paintball "tech" back in 1987; article from American Handgunner Magazine