Not all light is in the visible spectrum, which is the light you can see. There are many kinds of electromagnetic waves that you can't see. Just look at the spectrum below. When we talk about a light detector, we are referring to any instrument that detects electromagnetic radiation.
What qualifications are required for someone to be vice president of the United States? A: According to the U.S. Constitution, the vice president has to be a natural-born citizen, to have resided in a U.S. state or territory for 14 years, and to be at least 35 years old. The constitutional qualifications for vice president are the same as they are for the presidency. Continue Reading.
The constitution also prohibits anyone who is not yet 35 years of age from becoming president. The average age of the man entering the Oval Office for the first time is 55 years old. In case you're curious, he's also married, has children, doesn't have a beard, and has a decent likelihood of being born in Virginia.