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Atoms

InternationalScince 19 comments

My first reactor

InternationalScince 15 comments

History of the Universe

InternationalScince 14 comments

Asteroid catastrophe

InternationalScince 11 comments

Vulcanic Island

InternationalScince 7 comments

Asteroid impact

InternationalScince 2 comments

Oil Drill 5

InternationalScince 8 comments

Project: Dam

InternationalScince 0 comments

Russia History Flags

InternationalScince 10 comments

Russian Proton Missile

InternationalScince 7 comments

Reactor 1-C

InternationalScince 2 comments

Nucler super missile

InternationalScince 8 comments