Redirected from 545 BC
Decades: 590s BC - 580s BC - 570s BC - 560s BC - 550s BC - 540s BC - 530s BC - 520s BC - 510s BC - 500s BC - 490s BC
Significant People
... is that the axis of a spinning gyroscope will resist a force applied to it and will start rotating perpendicular to the force applied. This is why spinning gyro tops will ...