Primitive Technology: Trebuchet [video]

[martin_a]

https://www.youtube.com/watch?v=TMzo9zjkuHc

[timonoko]

You are supposed to make a cell phone, now that you can make metals. Next steps are 1) battery 2) light bulb 3) transistor.

I forgot 0) glass. You need it to make a microscope for integrated circuits.

Siege weapons are particularly not period, because you need some substantial infrastructure to destroy.