This video tutorial teaches you how to make something that will come in handy during an emergency using only three components: a soup can, a roll of toilet paper, and 70% isopropyl alcohol. According to the YouTube description, this contraption is capable of heating a room in a pinch, and since it does not require electricity, is ideal for power outages or for outdoor activities like camping, hiking, or hunting. In the video, he also converts the heaters into a stove and demonstrates how one could use it to cook food. Overall, this is a good life hack to remember, as you never know when you might need to use it.
