@inventionshark on Instagram: "This box of food that heats itself right before your eyes. 🔥 Heat your meal with no stove, no microwave, and no fire. In Japan, self-heating food packs use a brilliant bit of science to warm your food anywhere. Inside each pack is a heating pad made with quicklime (calcium oxide). When you pull the string, water mixes with the quicklime, sparking an exothermic reaction that releases enough heat to steam your food in minutes. It’s lightweight, portable, and safe, p