Travel and Tannins on MSN

The first steam engines were not pushed by steam, they were pulled by the vacuum left behind when it condensed

There is a common assumption about early steam power that inverts the actual mechanism, ...
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Making Hero’s 2,000-Year-Old Steam Engine From Scratch, and Discovering Why It Refused to Become Industry

This video follows an attempt to recreate Hero of Alexandria’s steam engine from raw materials and see whether it could do practical work. The build runs into sealing problems, friction, steam loss, ...