How can non visible radiation be used

Here are some popular applications of non-visible electromagnetic radiation:-- listen to the weather and music on the radio-- watch a football game on TV-- change the TV channel from the couch, using the 'remote'-- make toast-- warm leftover meatloaf in the "microwave"-- make a call with your cellphone-- text a friend with your 'smartphone'-- surf the internet in your house without wires (with WiFi in the house)-- use GPS in the car-- get a new set of dental X-rays made-- spend 30 minutes in a tanning bed-- look at your friend's face

1. Radio2. Microwave3. X-ray 4. Alpha rays