会员登录 - 用户注册 - 设为首页 - 加入收藏 - 网站地图 Middle school students designed a solar-powered backpack that charges mobile devices!

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

时间:2025-11-07 09:57:27 来源:DesignWave Labs 作者:黄阅 阅读:898次

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%

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

The postal service introduced a same-day delivery service for packages in major citiesA celebrity chef cooked a special meal for a charity gala that raised $500000 for hunger reliefResearchers calculated that taking public transit instead of driving saves 200 gallons of gas per year

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

A city started a composting program for residents that turns food waste into garden fertilizerA snowstorm in the northwest dumped two feet of snow closing schools and government offices

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

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

The government passed a law to protect consumers from hidden fees on airline tickets and hotel staysA streaming service added a collection of classic TV shows to its library

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

College students won a national competition for their invention that purifies water using solar powerA bank introduced a new checking account with no monthly fees and free ATM access

(责任编辑:美声男伶)

推荐内容
  • A popular streaming service added thousands of new movies and TV shows to its library, including several exclusive titles.
  • A software company announced it will allow employees to work from any location worldwide
  • A new report showed that the number of electric vehicles on the road has tripled in the past two years
  • Scientists test new vaccine candidate for preventing childhood asthma flare ups
  • A new report showed remote work increased by 40% since the decade began
  • Scientists found that a certain type of mushroom can boost the immune system when eaten regularly