A common casting medium, plaster is also a popular pick for making molds. Using this substance, which is manufactured in powder form, is ideal when you want a rigid structure to make casts as an ...

At first glance, you might think the elements in this striking centerpiece were carved from stone a couple of millennia ago. But we got the museum-worthy effect by giving artificial fruit a quick dip ...

THE thermal conductivity of powdered plaster of Paris was reported in 1896 by Lees and Chorlton 1. Their value of 0.00261 gm. cal./sec./deg C./cm. has since been incorporated into the literature of ...