Bats can detect bio-sonar. They use it for echolocation.
Usually optical energy.
That energy is called "electromagnetic waves" or "electromagnetic energy".
Radio Waves
Electromagnetic Energy.
Electromagnetic energy.
Infrared radiation is a type of electromagnetic energy
Electromagnetic energy.
electromagnetic energy
Electromagnetic energy
Electromagnetic energy
Electrical (electromagnetic) energy is used. Light energy ( another form of electromagnetic energy) is produced.
Radiant energy. They are the first type of wave in the electromagnetic spectrum.