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 ...

Terahertz (THz) technology refers to the use of electromagnetic waves in the terahertz (1 THz = 1012 Hz) region of the electromagnetic spectrum that covers the frequency range from roughly 0.1 to 50 ...

When the power is turned on, a wave of electromagnetic force silently shoots the aluminum block to the opposite end of the model at a speed of 60 mph. After a few keystrokes on a computer ...