超导体是啥东西今天的科技课,刘老师给大家播放了电影《阿凡达》,其中有这样一个场景:一座座悬浮在云端的哈利路亚山,山上爬满粗壮的藤蔓,还有壁挂飞天的瀑布和神秘的大鸟,神奇的哈利路亚悬浮山还时常在空中发生移动。电影结束后,刘老师问大家:“你们知道是什么神秘的力量‘托起’这一座座大山的呢?” Superconductivity is what things today’s science and technology class, Liu teacher to everyone to play the movie “Avatar”, which has such a scene: a block in the clouds Hallelujah mountains, the mountain covered with thick vines, as well as wall-mounted flying Falls and the mysterious bird, the magical Hallelujah suspended mountains also often move in the air. After the movie ended, Liu asked everyone: “Do you know what the mysterious power” hold up “this big mountain? ”