Фото: Константин Чалабов / РИА Новости
"It's just a matter of having enough Artemis launches to build the infrastructure on the Moon by then," he adds, referring to Nasa's Artemis spaceflight programme that aims to send people and equipment to the Moon.
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While lifesaving vaccines face a relentless onslaught from the Trump administration—with fervent anti-vaccine advocate Robert F. Kennedy Jr. leading the charge—scientific literature is building a wondrous story: A vaccine appears to prevent dementia, including Alzheimer's, and may even slow biological aging.，推荐阅读快连下载安装获取更多信息
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"For a long time, roboticists have used DC [direct current] motors to make robots move," says Mike Tolley at the University of California San Diego.