There are seven types of electromagnetic (EM) waves, which make up the electromagnetic spectrum. Electromagnetic waves are transverse waves, and travel at the speed of light. Different types of ...

Scientists have been unable to confirm the existence of time reflection due to the amount of energy required to create a temporal interface. Using an engineered metamaterial scientists in New York ...

Webster, this spectrum is “the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma ...

Humans typically blink 4 times per second, equivalent to a frequency of 4 Hz. Blinking at a rate of 1 billion times per second, or 1 GHz, is not possible for a human being. But this is the current ...

A new patterned spintronic emitter enables room-temperature control of terahertz wave polarization.

A revolutionary new spintronic device developed in China enables powerful, precise control of terahertz (THz) wave ...