archive on Instagram: "On May 16, 1958, the United States conducted an underwater nuclear test called Wahoo. The device had a yield of 9 kilotons — similar to the Hiroshima bomb — but this time, the detonation occurred beneath the ocean’s surface. Within a second, a dome of water rose over 840 feet into the air. By seven seconds, it had widened to nearly 3,800 feet, sending violent plumes in every direction. By the 12th second, the vertical column began to collapse, while massive water surges co

Arduino カラーボットプロジェクトの楽しみ方