This is a list of Byzantine inventions. The Byzantine or Eastern Roman Empire represented the continuation of the Roman Empire after a part of it collapsed. Its main characteristics were Roman state traditions, Greek culture and Christian faith.
Panagia Chalkeion, an 11th-century cross-in-square church
Pendentive dome of Hagia Sophia (563), interior view
Modern drawing of a counterweight trebuchet being prepared for shooting
Byzantine ship employing Greek fire in the late 11th century
Clay grenades that were filled with Greek fire (10th-12th centuries)
Hand-siphon, a portable flamethrower