digraph G { label="eyefloss 2006.02.02"; labelloc=t; fontsize=16; ranksep=0; size="8,10"; compound=true; subgraph cluster0 { cathode0 [label="cathode"]; screen0 [label="fluorescent screen"]; cathode0 -> screen0 [label="electron beam"]; cathode0 -> screen0 [label="electron beam"]; cathode0 -> screen0 [label="electron beam"]; z0 [style=invis,label=""]; screen0 -> z0 [label="photon ",color="#800000"]; screen0 -> z0 [label="photon",color="#008000"]; screen0 -> z0 [label="photon",color="#000080"]; label="They say that the photon\nis the electron's cry of agony."; } screen0 -> head1 [style=bold,color="#c0c0c0"]; subgraph cluster1 { head1 [shape=polygon,sides=4,skew=.4,label="_ _\no0\n\n/ ~ / "]; label="I wish I could be right there with you."; } head1 -> camera2 [style=bold,color="#c0c0c0"]; subgraph cluster2 { shroudedglass2 [label="shrouded glass"]; subject2 [label="subject"]; textdisplay2 [label="text display"]; camera2 [label="camera"]; camera2 -> subject2 [dir=back,constraint=false]; shroudedglass2 -> textdisplay2 [dir=back]; shroudedglass2 -> subject2 [constraint=false]; camera2 -> shroudedglass2 [constraint=false,style=invis]; label="But I can't see you through the teleprompter. "; } subject2 -> head3 [style=bold,color="#c0c0c0"]; subgraph cluster3 { head3 [shape=polygon,sides=4,skew=.4,label="_ _\no0\n\n/ ~ / "]; telstar -> earth [label="downlink ",minlen=3]; earth -> telstar [label=" uplink"]; head3 -> telstar [style=invis]; label="A diamond in the sky is forever.\nHow I wonder what you are."; } }