Vacuum-Test-in-1D.md

+# GADGET-2
+![gadget2_Vacuum_1D_1_1D](/uploads/76755039cef237697958f5c8a11e7d98/gadget2_Vacuum_1D_1_1D.png)
+
+# GIZMO
+![gizmo_Vacuum_1D_1_1D](/uploads/1763b7cd203450f3d29e235225604e17/gizmo_Vacuum_1D_1_1D.png)
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