Re: To this day
I discovered this the hard way.
I knew that various reactions would remove the oxide from one compound to another (forgotten the term now) and one day I had an aluminum bicycle seat pillar that had oxidised into the frame.
Having no end of school donated magnesium ribbon in my blazer I then stuffed the metal into the pipe and then lit it.
Thankfully I did this outdoors. My father wasn't pleased with the result.