Chicken,you are so beautiful 5.5 years ago

众所周知，磁铁只能吸引铁钴镍钢等。有天我捡到一块磁铁，发现它的S极和N极居然是互逆的！正好手里拿了块镁，就把镁放了上去，它居然受到一股力的作用被缓缓抬升！我十分惊诧，把这种现象命名为“极逆抬镁”

+12

Tricycle Tractor (Chinese) 5.5 years ago

三蹦子+1

+3

"Nan fu"battery 5.6 years ago

Batteries from China

GUTS-WING 5.6 years ago

I've done it too

12th Doctors Tardis 5.7 years ago

我的天哪

+1