Map showing spread of weighing technology (IMAGE) University of Göttingen Caption Verbreitung der Wägetechnik in Westeurasien (ca. 3000-1000 v. Chr.) Credit N Ialongo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.