Here is James Burke on this topic: https://www.youtube.com/watch?v=PeROEoimj7I https://www.youtube.com/watch?v=PeROEoimj7I And here's Primitive Technology man

Here is James Burke on this topic: https://www.youtube.com/watch?v=PeROEoimj7I https://www.youtube.com/watch?v=PeROEoimj7I And here's Primitive Technology man: https://www.youtube.com/channel/UCAL3JXZSzSm8AlZyD3nQdBA https://www.youtube.com/channel/UCAL3JXZSzSm8AlZyD3nQdBA (Should we leave his videos lying around on clockwork tablets?)