Mood jewelry is made from either a clear capsule filled with thermo chromic liquid crystal, or a thin sheet of liquid crystal paint that is sealed underneath a plastic or glass dome. Mood jewelry change colors by the same principle as a liquid crystal thermometer.
A senatorial candidate must be 30 years old to qualify for election. Candidates for the House of Representatives must be 25 years old to qualify for election. Presidential and vice-presidential candidates must be 35 years old. A senatorial candidate must be 30 years old to qualify for election.
The constitutional requirements for eligibility for membership of the House of Representatives are a minimum age of 25 years, U.S. citizenship for at least seven years, and residency of the state from which the member is elected, though he need not reside in the constituency that he represents.