The uses of nuclear weapons are to end life. They are used as a very last resort weapon because of they totally demolish any thing in their way.
Nuclear weapons
By 'devices' do you mean nuclear weapons, or peaceful uses of nuclear power?
In the future the uses remain the same: production of electrical and thermal energy and nuclear weapons.
energy/electricity/weapons
Most uses include energy and weapons although some nuclear energy is used for materials.
There were tests of nuclear weapons but no other nuclear weapons were dropped on other nations as an act of war. Hiroshima and Nagasaki are the only uses of atomic weapons on other nations.
Two uses of uranium are very important:- nuclear fuel for nuclear reactors- explosive for nuclear weapons
nuclear weapons cause war because when one uses a nuclear weapon it will kill everyone in range and then all hell has broken through. soz if this is not the explanation you were looking for.
Many countries without uranium mines, nuclear reactors, nuclear weapons.
No nuclear plant I know of uses weapons grade fissile material. This is strictly controlled for military use only.
None, the weapon is too absolute and sensitive to unplanned escalation.
Those that are nuclear, such as the nuclear bombs.