Magnets can pull objects closer or push them away without even touching. This video explains why magnets attract and repel, and how magnetic poles and fields make this possible. A simple and clear ...

If we figure out how to harness this effectively and efficiently, this is it. This is the end. This is the solution,” an ...

If we figure out how to harness this effectively and efficiently, this is it. This is the end. This is the solution,” an ...

Researchers have uncovered friction without contact—driven entirely by magnetic interactions. As two magnetic layers slide, ...

This familiar phenomenon has puzzled researchers for centuries, but experiments are finally making sense of its unruly ...

A major defense against everything space throws at us, Earth’s magnetic field may even protect the moon from damaging ...

Static electricity is so commonplace that it can come across as simple. Other teams are investigating how surface area and velocity during impact might govern charge transfer, and how the breaking ...

Bather safety can be achieved either by killing sharks through gill nets and drumlines or by repelling them without harm. Once that choice exists, the end result is no longer a question of means. It ...

Friction requires contact. Two surfaces rub together. Energy is lost. Heat is generated. Things slow down. The universe makes sense again. Except… now it doesn’t. Because researchers have decided—very ...

In the air people breathe, the water on Earth, the stars in the sky and more, atoms are the building blocks that make up the ...

Researchers found friction can occur without contact, driven by magnetic dynamics, and does not always increase with load. The effect could enable controllable, wear-free technologies.