S1, E6: There Is A Strand In Contemporary Astronomy That Aims To Survey And Map The Universe On Larger And Larger Scales Going All The Way Back To The Beginning Of Time In This Video Josh Frieman Director Of The Dark Energy Survey And Astrophysics Professor At The University Of Chicago Describes The Promise These Projects Hold For Understanding The Hidden Dynamic Of The Cosmos Including The Identity And Influence Of Dark Matter And Dark Energy And Whether Albert Einsteins Theories Are Correct