In my youth it was KClO3, S and Al powder and once I had a kilo of Na metal. Later on I learned how much safer KClO4 and Al are. I don't compare exploding capacitors to any of those.
In my youth it was KClO3, S and Al powder and once I had a kilo of Na metal. Later on I learned how much safer KClO4 and Al are. I don't compare exploding capacitors to any of those.