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<正>The consumer tech show in Las Vegas features thousands of companies—from big names like Google and Samsung to unknown startups—showing off their latest products. Here are the gadgets that grabbed our attention.Helpful household robots At this year’s event, Samsung showed off a yellow tennis ball-like robot named Ballie—that acts as your personal assistant, following you around the house and helping with chores. 相似文献
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<正>ChatGPT, the new artificial-intelligence technology created by Open AI, has many worrying about the future of education. The two largest public school districts, New York and Los Angeles, have stopped the chatbot, though with its limited abilities, from their devices and networks,worried that students may use it to cheat on exams. 相似文献
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<正>Lithium-ion batteries are the standard in EV manufacturing, but the average driving range for a fully charged Li-ion vehicle actually dropped in 2021 to only 234 miles. Superior energy density in lithium-sulfur(Li-S) batteries is seen as a replacement that could boost range up to five times to around 1,000 miles. 相似文献
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