One time I heard about some guys setting off bag bombs. I never heard of a bag bomb before, but it's oxy-acetylene mix in a plastic bag. You torch it and it blows up, but don't use too big of a bag! One guy said he used a garbage bag and when it blew up, it put him through the garage wall, or halfway through it.
For a long time I didn't know carbide lamps made acetylene gas by reaction of calcium carbide with water. I knew it made
something from carbide and water, but didn't know it was acetylene, just like an oxy-acetylene torch.
One of my uncles in the U.P. used to work at "the carbide plant", wherever and whatever that was. I always assumed it was a Union Carbide plant somewhere. It turns out, in the 1950s, the hydroelectric plant at Alford Park in the Soo was owned by Union Carbide – Michigan Northern. Maybe he worked there. Construction began in 1898, and the opening date was in 1902. The building is 20 feet over 1/4 mile long. 122 years later, the Soo hydropower plant is one of the oldest large generating stations still operating in the United States. One of my cousins' husbands, my uncle's son-in-law used to work there under the supervision of the Army Corps of Engineers. His wife, my cousin was the Postmistress I talked about before who cross-country skied to work in the winter.
https://en.wikipedia.org/wiki/Saint_Marys_Falls_Hydropower_Plant# https://loc.gov/pictures/item/mi0085/ P.S. If you go to a campground in Canada and they ask if you want
hydro, they aren't asking if want to hook up to a water connection, they're talking about electric. Weird.