ultra light alcohol stove

I have all kinds of cookstoves,...from antiques to modern. But when I saw this one, I had to give it a try. It is constucted out of two soda cans, or in my case beer cans.:D Total weight,...less than an ounce. With 2 oz of 70% isopropyl alcohol I was able to bring 2 cups of cold water to a boil...