Wildfalcon

Thinking and developing in everything – by Laurie Young

Date archive for December, 2006

  • An Orrery – All of science in a clockwork model

    26 December 06 • Comments

    An orrery is a mechanical device. It has a big sphere – representing the Sun, at its centre. Connected to a clockwork mechanism are arms that rotate about the “Sun”, at the end of each arm is a smaller globe, representing one of the planets. You can wind the mechanism’s cogs backwards to see the [...]