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Hermann Günther Grassmann
Hermann Günther Grassmann
1878 copy of Grassmann's "Die lineale Ausdehnungslehre"
1878 copy of Grassmann's "Die lineale Ausdehnungslehre"
First page of "Die lineale Ausdehnungslehre"
First page of "Die lineale Ausdehnungslehre"
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Detail from Raphael's The School of Athens featuring a Greek mathematician – perhaps representing Euclid or Archimedes – using a compass to draw a geo
Detail from Raphael's The School of Athens featuring a Greek mathematician – perhaps representing Euclid or Archimedes – using a compass to draw a geometric construction.
3D CAD Model
3D CAD Model
PCB of a DVD Player
PCB of a DVD Player
NASA Cassegrain, Extremely high gain ~70 dBi.
NASA Cassegrain, Extremely high gain ~70 dBi.