If you’ve ever had to use sandpaper or paint stripper to remove paint, you know how messy and how much trouble it is. A sandblaster does the same job but cleaner and in a fraction of the time. If ...

This method of building your own projection screen is new to us. [Sean Michael Ragan] ran across some sand blasting material made up of minuscule glass beads at Harbor Freight and inspiration struck.

Researchers have confirmed a previously unobserved property of fluids by watching the fractal expansion of a pocket of gas into a thin layer of glass beads. The experiment adds detail to the ...