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fuckyeahfluiddynamics: In slow motion, vortex rings can be truly

asapscience:Dun…dun…duuunnn. [http://www.stevecutts.com/]

the-future-now: Scientists caught rare “jet lightning” on

redlipstickresurrected:Peter Ward - The Sun in H-Alpha Light,

o0pepper0o: “BURP BELLY”GET THIS AND MORE OF MY FETISH VIDEOS

deep retrospace