A 'boom' of light that appears when a particle exceeds the speed of light set by a medium could, in other contexts, signal a ...

Follow this physics lab tutorial to learn how to plot electric field and electric potential. Step-by-step instructions make it easy to understand the concepts, visualize results, and apply theory to ...

Researchers led by Rice University's Guido Pagano used a specialized quantum device to simulate a vibrating molecule and ...

A material cooled near absolute zero produced an electrical signal that physics said should not exist, revealing a new kind ...

Focused Energy is developing a commercial system for generating energy from the laser-driven fusion of hydrogen isotopes.

Flashes like Cherenkov radiation in space may reveal negative-energy ghosts, hinting at gaps in gravity theories.

Scientists in Finland transmitted electricity through air using sound waves, lasers, and radio frequencies, creating ...

The accelerating expansion of the universe is usually explained by an invisible force known as dark energy. But a new study suggests this mysterious ingredient may not be necessary after all. Using an ...

An electric charge (like a proton) creates an electric field in the region around it. This field points away from positive charges and decreases in strength as it gets farther away from the charge.