Commonplace
131Second Amendment to the United States Constitution — The Second Amendment (Amendment II) to the United States Constitution is a part of the United States Bill of Rights that protects the pre existing individual right to possess and carry weapons (i.e. keep and bear arms ) in case of confrontation.… …
132Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
