As for the method:
https://bhi.co.uk/wp-content/uploads/2020/12/BHI-Antikythera...
I also wonder about the abolition of slavery. It was normal through pretty much all of human history up to the last 200 years or so. Why build machines at great scale when there is so much almost free human labor?
Bret Devereaux proposed that Industrial Revolution was due to a highly improbable coincidence of circumstances.[1] It all started with a steam engine, and very inefficient one at first[2]. But it had found it place, and then James Watt made the better engine and it also found its uses. It gave time for material science and thermodynamics to catch up, and then steam engines became light enough to power ships and then locomotives.
Industrial Revolution, if we look closer took a lot of relatively small steps, and some of these steps made sense only because the stars lined up. Now people consciously "line up stars" to move progress forward, but then it was really a coincidence.
[1] https://acoup.blog/2022/08/26/collections-why-no-roman-indus... [2] https://en.wikipedia.org/wiki/Newcomen_atmospheric_engine
Of course we have solar, wind, geothermal, hydro, and nuclear, but all of those are hard to access at any kind of scale without at the very least modern metallurgy and advanced materials made possible by fossil fuel energy. Modern renewable energy isn't possible without things like silicon PV, advanced materials for huge wind turbines, and batteries that are the product of extremely advanced materials science and manufacturing technology.
Fossil fuels were basically the thermodynamic seed capital.
It technically could have been done more slowly with wood and other biomass as a fuel and feedstock, but it seems like it would have been less likely to occur.
As well access to iron is required. And then eventually steel. All of this requires knowledge and writing and printing so that knowledge can be accumulated and propagated.
Late 18th century England and its colonies had access to all of these things. Coal, iron, printing presses, and universities. As well it had an political and economic structure that made risk-taking easy -- all the other prerequisites without risk-taking would still amount to the industrial revolution not happening.
It's crazy that to some extent this is still true today. Automation could go a lot further with existing technologies and make many workers' lives easier or safer. But it is often cheaper to hire humans and burn through them instead of spending the money to implement new kinds of robotics. Especially when companies only think until the next quarter.
Give humanity a chance. It might just surprise you.
Earlier in life I created something that has generated a minimal stipend every month. That small security has enabled me to take risks, produce art, create technical processes, construct the water, power, data, and physical infrastructure for a private sustainable community, take a couple of years off to educate my children in technology, and, in short, prosper. It is life changing to know that the worst that can happen if you fail is that you will be mildly uncomfortable for a period of your choosing.
OTOH I see a lot of wasted potential, talented people working banal 9 to 5 jobs because they can’t risk failure, forgoing learning opportunities because they can’t take the time, and in general stuck in employment traps that prevent them from ever refining their natural talents.
Sure, some people will do nothing with their lives despite the opportunities presented to them… but many, many people would do much, much more if they weren’t trapped in a system designed to harvest, under duress of homelessness, the vast majority of their useful time in exchange for the lowest possible compensation.
Slaves weren't free. At least in the early United States, slaves were considered a significant investment; only rich plantation (land) owners could afford them. If they were cheap, then everyone would have had one. Here's an interesting article about the topic:
https://www.measuringworth.com/slavery.php
A typical slave in the US in the early 1800s cost several hundred dollars, which in today's dollars is between $60k and $184k. Obviously, this isn't something typical people can afford.
I'm not sure if slaves were this expensive back in ancient Greek or Roman times, but I suspect it probably wasn't that different.
Industrialization would have completely changed the economics of these places.
The price fluctuated heavily. After a successful conquest slaves were way more affordable. Generally, a lot of people were able to afford slaves, so it was cheaper on average too. It was also place-dependent, compare for example Athens where roughly half of the population was free, and Sparta, where most of the population was enslaved.
And of course even when slaves were expensive, most economically important labor was done by them anyway.
https://www.machinerypete.com/harvesting/combines
My point though was about the early days. There were no machines like that available, just slaves and animals. As long as there were slaves was there an incentive to develop this level of mechanization?
There are many factors at play. Serious industrialization requires several components to build on. There is a reason for example that "All roads lead to Rome". That's because no roads lead to Athens.
The machines to do the work, were the animals. Horses to carry merchandise around, bulls to plow land were used all over the place, by Romans, Greeks, Sumerians, Persians, everyone.
Metal constructions used for heavy work like iron, were too brittle, and bronze was too weak to withstand significant forces. It is only the last two hundred years that strong alloys were developed for industrial applications.
https://static.scientificamerican.com/sciam/cache/file/AF613...
I can't believe so many people people for for that kind of woo.
https://www.researchgate.net/publication/258728873_X-ray_Tom...