-- look both ways before crossing the street (light) -- listen to the weather report (radio waves) -- make a cellphone call (radio waves) -- watch the game on TV (radio waves) -- heat up a hunk of meatloaf for a fast snack (microwaves) -- stand in the sunshine to warm up (infrared radiation) -- lie in the sun to work on your tan (ultraviolet radiation) -- the dentist makes a new set of pix of your teeth (X-rays)
