The chemistry of explosives is a delicate matter. A little less carbon, a little more nitrogen, and the right amount of oxygen can transform a relatively inert substance into quite the showstopper.

Another development related to the low cement line of castables is that of self-flowing or pumpable castables, this affording a new dimension in installation. In the past most castables were installed ...

When it was discovered that the addition of highly reactive volatilised or fume silica to a castable would dramatically change the physical properties, a new family of castables resulted. These dense ...

Based in Los Angeles, Burke is currently giving his Castable workshops and lectures to acting groups across the country.