Example image of eyePlorer eyePlorer map for 'Making fire': Fire Ember Tinder Flint Spark Paleolithic Control of fire by early humans Hearth Homo erectus Human Salvia apiana Tobacco Birch Primitive Survival skills Bushcraft Charcoal Bow drill Making fire Marcasite Pyrite Pre-industrial society 19th century Tinderbox Match Lens (optics) Curved mirror Fire piston Laurens van der Post Phosphorus Sulfur Gelatin Butane Ethane Ferrocerium Lighter Barbecue grill Electrical resistance Electric stove Piezoelectricity Hypergolic propellant Auto reignition Swedish firesteel Fire striker Hand cannon Primitive skills Camporee Solid fuel Erythrina vespertilio Mechanochemistry