Polyhedrons for the handicrafted crystallographer
Christmas is approaching fast and there might be still some green spots on the christmas tree or an empty space on the window sill. So, why not crafting something to … Weiterlesen …
justforfun
Let it snow!
It is this time of year again. Christmas is approaching, everybody hurries from one department party to the next and most of us wait for the first traces of snow. … Weiterlesen …