HIT predisposes to thrombosis, the abnormal formation of blood clots inside a blood vessel, and when thrombosis is identified the condition is called heparin-induced thrombocytopenia and thrombosis (HITT).
When and where was the fork invented ? Helen Brown, Auckland New Zealand According to the very entertaining book Ancient Inventions by Peter James and Nick Thorpe, the fork was probably invented in the Eastern Roman Empire of Byzantium where forks were first used during the 4th century AD.
Report Abuse. The origins of the abacus are disputed; many cultures are known to have used similar tools. It is known to have first existed in Mesopotamia[1][2] and China,[3] and was invented sometime between 1000 BC and 500 BC.[4] The first abacus was almost certainly based on a flat stone covered with sand or dust.