[tshubbard]

Shaped charges are also used to create the holes (perfs) in wellbores prior to fracking. The shaped charges blast through 1/2 inch of steel pipe and then a foot or two of rock. Sand and water are then pumped through the holes to prop open the rock and allow oil, gas, and water to flow out with less resistance.

[pvillano]

there was a defcon talk where they tested multiple methods for rapid hard drive erasure, in the event of a raid on a data center. a bomb range they visited happened to have a few of these leftover and https://youtu.be/-bpX8YvNg6Y?t=2135