jp11's Activity (15)
jp11 added a news bookmark.On April 22, 1970, twenty million people across the United States took to the streets to ask government officials to take preventive measures to protect the environment. Today, ...Almost 6 years ago
jp11 added a news bookmark.Water, foam, sand, blankets, and even baking soda are well-known solutions to putting out flames. But sound waves? That has to be a first. But that is exactly what two young eng...Almost 6 years ago
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