'Christiaan Huygens got into the swing of things in 1656 by adding this to the clock'
Pendulum
TECHNOLOGY: Christiaan Huygens got into the swing of things in 1656 by adding this to the clock
Christiaan Huygens got into the swing of things in 1656 by adding this to the clock
Christiaan Huygens got into the swing of things in 1656 by adding this to the clock
TECHNOLOGY
Pendulum
TECHNOLOGY