night terror
— Noun
– English
～ an emotional episode (usually in young children) in which the person awakens in terror with feelings of anxiety and fear but is unable to remember any incident that might have provoked those feelings
nuclear terrorism
— Noun
– English
～ the use of a nuclear device by a terrorist organization to cause massive devastation or the use (or threat of use) of fissionable radioactive materials; "assaults on nuclear power plants is one form of nuclear terrorism"
Nikola Tesla
— Noun
– English
～ United States electrical engineer and inventor (born in Croatia but of Serbian descent) who discovered the principles of alternating currents and developed the first alternating-current induction motor and the Tesla coil and several forms of oscillators (1856-1943)