Should you ever be without electrical power for a prolonged period, you will need a method of cooking food and sterilizing water without attracting hordes of desperate people looking to plunder your supplies.
A covert fire is needed… a fire that is indoors, but smokeless with a fuel that combusts into non-toxic byproducts.
With this idea in mind I recalled one principle of ninjutsu fire-arts, which advises that one learn a wide variety of techniques for starting and sustaining fire, and thereafter began to adapt the principle to my needs.
With a bit of thinking I tailored an approach to indoor cooking to fit parameters of a low-cost, low-pollution, and covert technique using 91% isopropyl alcohol, a couple of pans, grill, a 44 lb. weight, and few other items (all of which were conveniently laying around the household).
This is how it works: