This is not a disk, but actually, a sphere coated in Vantablack, one of the darkest pigments created
Submitted by mariusmariuzi t3_11yqlw7 in pics
Submitted by mariusmariuzi t3_11yqlw7 in pics
Submitted by mariusmariuzi t3_zi5d8u in pics
Submitted by mariusmariuzi t3_z7642f in pics
mariusmariuzi OP t1_iy72oza wrote
Reply to comment by Spartan2470 in A young girl enjoying a smoke, 1914. by mariusmariuzi
Omg im so sorry had an unreliable source (twitter)