rahulyadav | Explaining Everythinng on Instagram: "Stop panicking over a snapped key. This viral hack demonstrates how to use molecular expansion to retrieve a broken fragment from a padlock in seconds. The secret lies in the thermal grip. By igniting the tip of a cotton swab and pressing the molten, charred head into the keyway, you create a custom-molded anchor. As the material expands into the grooves of the fragment and then rapidly cools, it creates a high-friction bond. This minor thermal