Magnetism is a force we can’t see. Something is magnetic if it can pull another magnetic object towards it. Just like these fridge magnets. A magnet attracts or repels things made from certain ...
Metals are the only substances that are magnetic. But some metals are magnetic and some are not. The most common magnetic metal is iron. You don't see too many objects made of pure iron but you do see ...
From holding up notes on the fridge to powering complex machines, magnetism plays a crucial role in technology, science, and nature. But did you know that magnets were discovered over 2,000 years ago?
Last December, researchers led by Oliver Amin from the University of Nottingham in the UK published their breakthrough: a third type of magnetism, known as altermagnetism. Experts shared in the ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果