
"The mysterious booming sound that’s been rocking a New Jersey town is apparently the result of a homemade “hail cannon” designed by a vineyard owner to protect his crop from bad weather, he and police told The Post.
Rob Butkowski of Hammonton said he’s been firing off the sonically loud cone-shaped contraption — which blasts shock waves up to the sky — to break up cloud formations and scare away birds that nibble his grapes."
Now just imagine if he corner loaded it.

https://nypost.com/wp-content/uploads/s ... all&w=1286
https://nypost.com/2020/12/10/mystery-o ... ly-solved/