All forms of electromagnetic radiation, whether they're called waves or rays, are generated by particles in motion. In a radio signal, for example, negatively charged electrons quickly move back ...

Electromagnetic waves travel at 300,000,000 metres per second (m/s) through a vacuum. Often a phrase is used to help remember the order of the groups of the electromagnetic spectrum such as Roman ...

And the continuous spectrum of background gravitational waves depends on the microscopic ... the successful theories of the strong, weak and electromagnetic interactions—should leave a distinct ...

The chameleon, a lizard known for its color-changing skin, is the inspiration behind a new electromagnetic material that ...

Electromagnetic radiation is the general term for the more familiar light ... At lower frequencies our galaxy emits prodigious amounts of radio waves creating a loud background of noise. At higher ...

A team of researchers has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient ...

Jean-Michel Ménard, Associate Professor of Physics at the University of Ottawa and a team of researchers have paved the way for developing devices capable of upconverting electromagnetic signals to ...