Just yesterday I started watching the video series promoting Bill Hammack's book "The Things We Make" in which he discusses how many incredible ancient structur

Just yesterday I started watching the video series promoting Bill Hammack's book "The Things We Make" in which he discusses how many incredible ancient structures were built using rules of thumb rather than an actual understanding of the science /math underpinning their strength. Truly fascinating. https://youtu.be/_ivqWN4L3zU https://youtu.be/_ivqWN4L3zU