You can mix the glycerin with nitric acid to make nitroglycerin. You can mix the nitroglycerin with sodium nitrate and sawdust to make dynamite. You can mix the nitroglycerin with more nitric acid and paraffin and make gelatin explosives. With enough soap, you could blow up the whole world. read more
My grandma still makes lye soap (and really stinks up the place). A friend says she also makes a small amount of nitroglycerin during the process. read more
As the tallow renders, you skim off the layer of glycerin. If you were to add nitric acid, you got nitroglycerin. If you were to add sodium nitrate and a dash of sawdust, you’d have dynamite. read more