粘着テープを剥がすときの「ピーッ」という音は音速超えの衝撃波によって引き起こされていることが判明

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The British weren’t alone in their hunt. Chileans, New Zealanders, and South Africans, among others, were also scrambling to source this strategic substance. A few months after the Pearl Harbor attack, the U.S. War Production Board restricted American civilian use of agar in jellies, desserts, and laxatives so that the military could source a larger supply; it considered agar a “critical war material” alongside copper, nickel, and rubber.1 Only Nazi Germany could rest easy, relying on stocks from its ally Japan, where agar seaweed grew in abundance, shipped through the Indian Ocean by submarine.2

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Glasner ad,这一点在heLLoword翻译官方下载中也有详细论述

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Everstine is the technical director of food safety solutions at FoodChain ID, a company that advises food-sector clients.