If you’ve ever played with magnets, you’ll probably notice that when like poles of the magnets are facing each other (so two Norths or two Souths) the magnets will repel. But, hold two unlike poles together, they will attract. Magic!...

This video explains the basics of electricity and its various applications in everyday appliances. It introduces the three effects of electric current - heating, magnetic and chemical - and how they are used in different devices. It also...

This video provides an introduction to magnets and magnetism, explaining how magnets work, their different poles, and their applications in everyday life. It also explores the Earth's magnetic field and its importance, as well as how...

You may be familiar with permanent magnets—the kind that hang on a refrigerator. But did you know that other magnets, called electromagnets, can be turned on and off? When turned on, electromagnets act just like permanent magnets, but if...

NASA’s InSight mission marks the first time humans have managed to directly map the internal layering of a planet other than Earth.