If you go back a few hundred years, what we take for granted today would seem like magic—being able to talk to people over long distances, to transmit images, flying, accessing vast amounts of data like an oracle. These are all things that would have been considered magic a few hundred years ago.
能源转型不是短跑;这是一场需要耐心和坚持的马拉松。
每个恶棍都是自己故事中的英雄。
发现恒星围绕银河系中心的超大质量黑洞运行是天体物理学的一个转折点。