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RUSSIAN OFFENSIVE CAMPAIGN ASSESSMENT, JANUARY 7, 2023

Mining Town Of Soledar Holds Against Latest Russian Onslaught

The Omicron Wave Hits the Countryside in China

HOW TO WIN FRIENDS AND CHOKE CHINA’S CHIP SUPPLY

Kevin McCarthy Elected 55th Speaker of the House. Here’s How It Went Down.

To prove that this was indeed the mechanism responsible for the durability of the Roman concrete, the team produced samples of hot-mixed concrete that incorporated both ancient and modern formulations, deliberately cracked them, and then ran water through the cracks. Sure enough: Within two weeks the cracks had completely healed and the water could no longer flow. An identical chunk of concrete made without quicklime never healed, and the water just kept flowing through the sample. As a result of these successful tests, the team is working to commercialize this modified cement material.

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