Nonparticulate Radiation Official

Used for communication (cell phones, Wi-Fi) and heating food. What is Radiation? - International Atomic Energy Agency

Nonparticulate radiation lacks mass and charge, existing purely as "packets" of energy called photons. nonparticulate radiation

The only part of the spectrum detectable by the human eye. Infrared (IR): Experienced as heat. Used for communication (cell phones, Wi-Fi) and heating food

Highly penetrating radiation often used in cancer treatment or emitted during radioactive decay. Used for communication (cell phones