Question

Name 3-4 objects you use that depend on the electromagnetic spectrum.

Answer 1

Things I personally use:

-- my eyes

-- my smartphone

-- my garage door opener

-- my TV; also the TV remote

-- stove

-- microwave oven

-- toaster

-- night light

-- CD player

-- FM radio

-- car headlights

-- traffic stoplights

-- flashlight

-- telescope

-- binoculars

-- film camera

-- digital camera

-- GPS receiver

-- infrared thermometer

Things I don't personally use but are used by other people:

-- police radios

-- firemen's radios

-- EMT's ambulance radios

-- taxi drivers' radios

-- dentist's X-ray machine