rubbing sticks
- frictionResistance between touching surfaces
- fireCombustion with flames
- kindlingMaterial for starting fires
- sparksFiery particles from friction
- primitiveIn earliest form
survival · tinder · smoke · warmth · twirling · palms · hands · bow drill · ember · caveman · scout · wilderness · wood · dry · heat · rotation · patience · blister
fire-starting technology sophistication
rubbing stickslighter
Comparative of not heavy
butane lighter · matches · blowtorch · Zippo · flamethrower
primitiveness vs. modernity
rubbing stickshigh technology
Sophisticated scientific applications
microwave · nuclear power · laser · smart home · automation