Redirected from 1550 BC
Decades: 1600s BC 1590s BC 1580s BC 1570s BC 1560s BC - 1550s BC - 1540s BC 1530s BC 1520s BC 1510s BC 1500s BC
Significant People
... why spinning gyro tops will not simply fall over, but start precessing around. (The precessing motion is perpendicular to the torque trying to make the gyro fall ...