DIY-history columnist William Gurstelle gives bygone weapons a modern spin.
In November 1944, Japanese soldiers in a top-secret oceanside location loosed a set of balloons into the westerly winds. These globes, about 33 feet in diameter, contained a crude but ingenious device for releasing ballast that their inventors hoped would keep them airborne for three to four days—long enough to reach the United States. There, an onboard timer would activate, causing the balloons to drop their payload: incendiary bombs.
この記事は Popular Science の May - June 2016 版に掲載されています。
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この記事は Popular Science の May - June 2016 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です? サインイン
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waste watchers
YOU CAN TURN FOOD SCRAPS INTO FERTILIZER IN ALMOST ANY CONTAINER. THESE BINS USE THEIR OWN METHODS TO ENCOURAGE THE PROCESS, BUT BOTH KEEP BUGS AND STINK AT BAY.
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LEARNING TO PEDAL IS NO EASY FEAT.
