anatomy of a big boom

https://www.youtube.com/watch?v=5loWCqSUARg

 

Clicked this for the heck of, turned out to be a heck of a lesson in shock wave dynamics. Elementary for the physicist*, not so much for the likes of me.

Just to change it up with some not quite ancient history.

{ *wait a minute, they did these tests because, earlier blasts didn’t act quite as expected. More energy dissipation than calculated.}