A new study found a simple and powerful way to control particles and form crystals: illuminating them. The research provides a simple and reversible method for forming crystals that can be used to develop a new generation of adaptable materials.

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During historic flooding in 2008, the Cedar River surged 10 feet above its previous record, cresting at 31 feet and wiping out homes and businesses well outside the floodplain.

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凝聚起团结奋斗的磅礴力量，详情可参考体育直播

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Two-Tier Function Optimization

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