}

From the sundial to the autonomous clock

1986/12/01 Otaolaurretxi, Jon Iturria: Elhuyar aldizkaria

The only real clock is the sky, movement of the Sun between sunrise and twilight. This movement can be copied with an engine that rotates at the same speed and, better still, the Sun itself can rotate the movement forming its curve from east to west.
400

Gai honi buruzko eduki gehiago

Elhuyarrek garatutako teknologia