[taxcontrol]

My top 3 inventions:

The stirrup
The Bow
Internal combustion engine

All three weapons of war and significantly altered the geo-politics of the world.

[FFranco]

“My top 3 inventions:
The stirrup
The Bow
Internal combustion engine”

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Agriculture
Domesticating animals
Writing

[Caramelgal]

My top inventions:

The printing press
The steam powered engine
The combustible engine
The airplane
The computer (especially the PC)
The internet (the modern equivalent of the printing press)