Value: Stone Age
Confidence: Canon
Fire, stone tools, language, early agriculture.
Value: 0.1
Min: 0.05
Max: 0.15
Confidence: CalculatedGuess
Still on a 3000 kcal per day diet. Energy consumption rounded up to 200 W including heating/cooking. Using the 50 k long time population average.
Value: 50000
Min: 10000
Max: 100000
Confidence: Canon
References:
Quick Wikipedia research. Error bars guestimated.
Value: 2
Confidence: Canon
TL 2 Primitive. Fire, stone tools, language, agriculture. Modern humans, Cro-Magnon, hunter-gatherers with controlled fire.
Value: 2
Confidence: Canon
Modern humans, Cro-Magnon, hunter-gatherers. Fire, stone tools, language. Class 2 Stone Age.
Modern humans, Cro-Magnon, hunter gatherers. Neanderthals still thriving.