A sigil is a symbol in magic: graphic, alphabetized, pictorial emblems found in voodoo, witchcraft, tarot, the bible; symbols used to evoke power or magic.
Neuromancer introduces different concepts of computer crime: hobbyist, military, terrorist.
The semi-automatic Nambu pistol was designed for the Japanese military by Captain Kijiro Nambu in 1902.
The Topkapi Palace was the official residence of the Ottoman sultan in Istanbul until 1856.
The name means "Cannon Gate". Construction began in 1459, just six years after the conquest of Constantinople by the Ottomans.