Middle school students designed a solar-powered backpack that charges mobile devices

2025-11-22 09:59:01 分类：锡林郭勒盟 阅读(4964)

Middle school students designed a solar-powered backpack that charges mobile devices

A local café offered a discount to customers who brought their own reusable cupsEngineers designed a new type of insulation that reduces home energy use by 40%

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A study showed that learning a second language at a young age improves cognitive development

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Police used facial recognition technology to identify and arrest a fugitive wanted for theftThe weather service warned of dangerous thunderstorms with high winds and lightning

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