you can also use this tool to punch holes on other surfaces like cardboard, rubber, canvas, polyurethane, and silk because it comes with a large punch plate. The tool also comes with a double ...

Delicate and mesmerizing, hole-punch clouds — scientifically known as cavum — are peculiar formations that occur when ...

[bitluni] took matters into his own hands and built this nifty DIY hole punch for light-gauge sheet metal. A little backstory will probably help understand why [bitluni] needs so many holes.

Discover the science behind mesmerizing cavum clouds, rare UFO-like formations caused by airplanes flying through supercooled ...