bitcoin

Many, many revolutions

In your list, probably the inventions of the barbed wire, and the telegraph would be two more that are less considered revolutions, but their impacts were nothing but revolutionary.  

And along those lines, I suppose one or more of these would be in the same category as well:

> Four Pillars of Civilization: cement, steel, plastics, and ammonia
>
> Smil’s assessment of the importance of ammonia is staggering.
> 
> “In 2020, nearly 4 billion people would not have been alive without synthetic ammonia…. the Haber-Bosch synthesis of ammonia [is] perhaps the most momentous technical advance in history.”
> 
> https://thekcpgroup.com/insights/insights-from-how-the-world-really-works

https://stacker.news/items/33777

As far as what is next?  I think these things are only understood to be revolutionary after the revolution occurs.   Nobody knew that the utility of the iPhone would eventually disrupt the entire taxi industry globally, for example.