Factorio console commands to unlock science-pack 1 / 2 / 3 / etc. technologies. Handful when you restart your game but want to keep your technologies. : r/factorio
create_entity{... amount=float} sets amount to 50 - Factorio Forums
Factorio early-game walkthrough [v1.0] | Rock Paper Shotgun
Factorio Console Commands Guide - Weapons, Crafting Materials, Production
Factorio console commands guide | Rock Paper Shotgun