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 youngest vice president to assume office was John C. Breckinridge, at the age of 36 years, 47 days. Serving only one term, he became and remains the youngest at the time of leaving office. The oldest vice president to assume office was Alben W. Barkley, at the age of 71 years, 57 days. He was also the oldest in office when he left office.