Clouds are a collection of very tiny water droplets, or ice crystals, that float in the air together. They're able to float because they're so small and light. Rain forms when they all start combining ...
Only one side of a silver crystal has the right structure to trigger ice formation, revealing how these particles help clouds ...
Researchers uncover how the surface structure of silver iodide at the atomic scale triggers ice formation in clouds, ...
Officials experimented with cloud seeding to try and reduce environmental pollutants as residents choke on filthy air.
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