為什麼爆米花會「爆」呢？ The Science behind Popcorn
FEB 7,2023／Analytical Editors
In fact, the science behind popcorn is fairly simple. With popcorn, there are three main factors at work. Firstly, the kernel, or seed, of popcorn contains a small amount of water, along with a large amount of starch. Secondly, the outer shell of the kernel, which is called the hull, is strong and traps water inside it. Thirdly, when heated enough, the water expands into steam. This steam makes the starch softer. It also produces pressure inside the kernel. Since the steam cannot escape from the hull, it eventually explodes...
- fairly adv. 相當地；頗
- factor n. 因素
- trap vt. 存住／保存