WHAT IS POPCORN?
Corn cobs are where corn kernels derive. When a kernel is heated, the water inside turns to steam which causes it to explode. If the kernel is too dry, it will not pop, which would be why unpopped kernels are found at the bottom of a cooked batch. If you purchase corn kernels to make your own popcorn, make sure you keep it stored in a sealed container so it can’t dry out.