At double the width of our Milky Way galaxy, this jet of radio waves is the biggest ever detected so early in the universe's ...

At the border between infrared and radio waves lie electromagnetic ripples measured in millimeters. They are now made in the laboratory, where they are used to study the properties of atoms and ...

Back to our radio signal. The electrons in our wire are moving, but not in one direction. These electrons are moving back and forth. Actually, the wave displayed in the activity is a ...

Since the waves all travel at the speed of light ... While the Microwave Window is a “cosmic quiet zone” the existence of the radio emission lines marking the Water Hole illustrates a problem: ...

The first steps toward inventing radio involved discovering electromagnetic waves and their potential. Hans Christian Oersted was the first to proclaim, in 1820, that a magnetic field is created ...

Different types of electromagnetic wave have different uses and dangers. Radio waves are used for sending radio and television signals. They are also used to control radio-controlled toys ...