### device | instrument | weapon:

Nuclear weapon
* Some nuclear weapons require fission reaction.
* Some nuclear weapons require nuclear fission reaction
  * A 'nuclear weapon' weapon that suddenly releases the energy in the nucleus of certain types of atoms. When triggered, these devices release a huge amount of energy in the form of an explosion. Nuclear weapons are very powerful, and one nuclear weapon can destroy a city. They get their energy by changing some of their matter into energy. This is called a nuclear explosion. Nuclear explosions are difficult to ignite and control, and require uranium or plutonium that has been enriched for reactive isotopes. These isotopes are not concentrated enough in natural uranium to cause explosions.
  * are made from the elements uranium or plutonium. Certain forms of these elements can be made to undergo nuclear fission and have a nuclear chain reaction. This produces a very large amount of energy and radiation, and will kill any people or animals within several kilometers. Much of the radiation is X-rays, which heats air to produce a huge nuclear fireball. The rapid expansion of the fireball produces a dangerous shock wave that destroys houses or buildings even several kilometers away. It will eventually kill people farther away than several kilometers depending on how much radiation the person received
* are also astrategic
  - immoral , expensive and dangerous
  - among the most technically complex creations of mankind
* are an expression of one side of our human character
  - integral part of the security situation in the Middle East and North Africa
  - clearly inhumane weapons in obvious violation of international law
  - evil beyond belief
  - evil, mass destroyers of human life, and morally indefensible
  - expensive and are also used as a terror tactic with other countries
  - horribly destructive in their effects on both humans and the environment
  - immoral weapons of mass destruction
  - in the hands of many nations
  - instruments of mass slaughter
  - morally abhorrent, militarily useless and illegal under international law
  - now ineradicably part of the continuum of possible force
  - primarily psychological and political weapons
  - still one of the greatest hazards on the planet
* are the common enemy of mankind
  - military instruments of political designs
* are the most destructive weapons ever created by humankind
  - horrendous thing mankind has ever developed
  - tools of mass, undifferentiated retaliatory destruction
  - ugly things capable of horrific destruction
  - usable under almost any circumstance
  - very powerful , and one nuclear weapon can destroy a city
* are weapons of deterrence
  - the cold war
* carry high ecological costs.
* continue to play a destabilising role in international relations.
* encourage prudence and circumspection.
* have a large variety of energy yields.
* orbit the Earth.
* pose the greatest danger to the security of the United States.
* release tremendous amounts of energy through a sustained nuclear chain reaction.
* serve no justifiable military purpose and pose a threat to all forms of life
  - purpose, and pose a long-term threat to all forms of life
* threaten the future of humanity
  - lives' of human beings
* use plutonium metal.

Projectile
* Some projectiles pump paralyze toxins.
* are located in air
  - baseball
  - battles
  - canons
  - guns
  - tornado
  - objects
* are used for catchings
  - games
  - hits
  - killing
  - launching
  - rapid movement
  - shooting
  - strikes
  - throwings
* have forces.
* includes sections.